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| Grenfell Tower: What happened | Grenfell Tower: What happened |
| (about 3 hours later) | |
| The fire which destroyed Grenfell Tower in June 2017 was one of the UK's worst modern disasters. | The fire which destroyed Grenfell Tower in June 2017 was one of the UK's worst modern disasters. |
| Just before 01:00 on 14 June, fire broke out in the kitchen of a fourth floor flat at the 23 storey tower block in North Kensington, West London. | Just before 01:00 on 14 June, fire broke out in the kitchen of a fourth floor flat at the 23 storey tower block in North Kensington, West London. |
| Within minutes, the fire had raced up the exterior of the building and then spread to all four sides. By 03:00, most of the upper floors were well alight. | Within minutes, the fire had raced up the exterior of the building and then spread to all four sides. By 03:00, most of the upper floors were well alight. |
| Seventy-two people died. Here is how events unfolded that night. | Seventy-two people died. Here is how events unfolded that night. |
| How the fire started | How the fire started |
| The fire began "in or around" a Hotpoint fridge-freezer in flat 16 on the fourth floor, according to a provisional report by Dr Niamh Nic Daéid, director of the Leverhulme Research Centre for Forensic Science at Dundee University. | The fire began "in or around" a Hotpoint fridge-freezer in flat 16 on the fourth floor, according to a provisional report by Dr Niamh Nic Daéid, director of the Leverhulme Research Centre for Forensic Science at Dundee University. |
| Her report contains extracts from a witness statement by flat occupant Behailu Kebede, who described being woken by the sound of a smoke alarm. | Her report contains extracts from a witness statement by flat occupant Behailu Kebede, who described being woken by the sound of a smoke alarm. |
| He went into the kitchen and saw smoke in the area of the fridge-freezer and near the kitchen window. | He went into the kitchen and saw smoke in the area of the fridge-freezer and near the kitchen window. |
| Mr Kebede immediately called the fire brigade, which logged the call at 00:54. Four fire engines were sent to the scene, the first arriving at 00:59. | Mr Kebede immediately called the fire brigade, which logged the call at 00:54. Four fire engines were sent to the scene, the first arriving at 00:59. |
| The first fire crew entered the flat at 01:07 - an approximate timing taken from a thermal imaging camera. They initially searched the bedrooms and did not enter the kitchen until 01:14. | The first fire crew entered the flat at 01:07 - an approximate timing taken from a thermal imaging camera. They initially searched the bedrooms and did not enter the kitchen until 01:14. |
| In the kitchen, firefighter Daniel Brown described seeing an "isolated curtain of flame from about 2-3 feet in the air to the ceiling". | In the kitchen, firefighter Daniel Brown described seeing an "isolated curtain of flame from about 2-3 feet in the air to the ceiling". |
| Thermal images captured by the fire crew appear to show that "hot fire gases and flames had spread across the window space". | Thermal images captured by the fire crew appear to show that "hot fire gases and flames had spread across the window space". |
| As the fire crew dealt with the fire in the fridge-freezer, their thermal images also appear to show falling embers outside the kitchen window. | As the fire crew dealt with the fire in the fridge-freezer, their thermal images also appear to show falling embers outside the kitchen window. |
| Mobile phone images taken by Mr Kebede from outside Grenfell Tower approximately 11 minutes after his first 999 call show an orange glow of flames around the kitchen window, and later a fire burning more intensely in the area of the window filler panel and extractor fan. | Mobile phone images taken by Mr Kebede from outside Grenfell Tower approximately 11 minutes after his first 999 call show an orange glow of flames around the kitchen window, and later a fire burning more intensely in the area of the window filler panel and extractor fan. |
| Subsequent photos by Mr Kebede suggest that the "fire was continuing to develop and grow", Dr Nic Daéid reports, by 01:09 becoming "external to the building". | Subsequent photos by Mr Kebede suggest that the "fire was continuing to develop and grow", Dr Nic Daéid reports, by 01:09 becoming "external to the building". |
| Although the timings provided are approximate, it appears that the fire had spread to the cladding before the firefighters had entered the kitchen. | Although the timings provided are approximate, it appears that the fire had spread to the cladding before the firefighters had entered the kitchen. |
| Dr Nic Daéid's provisional report also identifies "unknown materials" stored between the freezer and wall which "may have become involved in the fire in the early stages of its development". | Dr Nic Daéid's provisional report also identifies "unknown materials" stored between the freezer and wall which "may have become involved in the fire in the early stages of its development". |
| Among these materials was an item described as an "electric cooking device" or "large hot plate". | Among these materials was an item described as an "electric cooking device" or "large hot plate". |
| In another report, fire expert Professor Luke Bisby expressed his view that the likely reason for the fire spreading beyond the kitchen was that flame and hot gases penetrated the internal window frame. | In another report, fire expert Professor Luke Bisby expressed his view that the likely reason for the fire spreading beyond the kitchen was that flame and hot gases penetrated the internal window frame. |
| How the fire spread | How the fire spread |
| From the fourth floor, the fire spread rapidly upwards and across the eastern side of the building. From there, it spread across the north face of the tower. | From the fourth floor, the fire spread rapidly upwards and across the eastern side of the building. From there, it spread across the north face of the tower. |
| Mobile phone videos show the blaze reaching the top floor on the east side of Grenfell Tower by about 01:26, less than 30 minutes after firefighters had arrived. | Mobile phone videos show the blaze reaching the top floor on the east side of Grenfell Tower by about 01:26, less than 30 minutes after firefighters had arrived. |
| In a report to the Grenfell Public Inquiry, fire safety engineer Dr Barbara Lane identified the fire spreading vertically up the tower columns, and "laterally along the cladding above and below the window lines (and) the panels between windows." | In a report to the Grenfell Public Inquiry, fire safety engineer Dr Barbara Lane identified the fire spreading vertically up the tower columns, and "laterally along the cladding above and below the window lines (and) the panels between windows." |
| The fire had spread to the north side of the tower by 01:42, Dr Lane recorded. | The fire had spread to the north side of the tower by 01:42, Dr Lane recorded. |
| At 01:52, the fire also began travelling across the eastern side towards the south in the other direction. | At 01:52, the fire also began travelling across the eastern side towards the south in the other direction. |
| At 02:06, London Fire Brigade declared the fire a "major incident". At this point, some 40 fire engines were either at or en route to the scene. | At 02:06, London Fire Brigade declared the fire a "major incident". At this point, some 40 fire engines were either at or en route to the scene. |
| Grenfell Tower had a 'stay put' fire policy - essentially, the building design would contain a fire in a single flat for as long as it took fire crews to bring it under control. | Grenfell Tower had a 'stay put' fire policy - essentially, the building design would contain a fire in a single flat for as long as it took fire crews to bring it under control. |
| So on the night, many residents were told to remain in their flats by the emergency services, only to become trapped as the fire blazed out of control and thick poisonous smoke spread up the single narrow stairwell. | So on the night, many residents were told to remain in their flats by the emergency services, only to become trapped as the fire blazed out of control and thick poisonous smoke spread up the single narrow stairwell. |
| Dr Lane said that the stay put policy had "substantially failed" by 01:26 - less than 30 minutes after the first firefighters were at the scene. | Dr Lane said that the stay put policy had "substantially failed" by 01:26 - less than 30 minutes after the first firefighters were at the scene. |
| Some people people ignored the stay put advice and made it down the stairs to safety. | Some people people ignored the stay put advice and made it down the stairs to safety. |
| A total of 65 people were rescued from the building by firefighters. | A total of 65 people were rescued from the building by firefighters. |
| But in desperation, other residents went upwards and sought refuge in flats of friends and neighbours on the upper floors. Twenty-four people died on the top floor of the tower block. | But in desperation, other residents went upwards and sought refuge in flats of friends and neighbours on the upper floors. Twenty-four people died on the top floor of the tower block. |
| By 02:10, multiple internal fires could be seen burning inside the building. | By 02:10, multiple internal fires could be seen burning inside the building. |
| At 02:22 fire had spread to the south side of the tower and by 02:30 it was reported that the eastern side of the building was "fully involved in fire". | At 02:22 fire had spread to the south side of the tower and by 02:30 it was reported that the eastern side of the building was "fully involved in fire". |
| The stay put advice was finally abandoned at 02:47, when the incident commander gave the order to "advise people to make efforts to leave the building." | The stay put advice was finally abandoned at 02:47, when the incident commander gave the order to "advise people to make efforts to leave the building." |
| Counsel to the Grenfell inquiry Richard Millet QC told the 4 June hearing that 144 people managed to evacuate before 01:38, but only 36 after the stay put guidance was abandoned. | Counsel to the Grenfell inquiry Richard Millet QC told the 4 June hearing that 144 people managed to evacuate before 01:38, but only 36 after the stay put guidance was abandoned. |
| By 02:51, the fire had reached the western side. At this point, some 63 flats were on fire and more than 100 people remained in the building. | By 02:51, the fire had reached the western side. At this point, some 63 flats were on fire and more than 100 people remained in the building. |
| At 04:30 the whole building was engulfed, with more than 100 flats on fire. | At 04:30 the whole building was engulfed, with more than 100 flats on fire. |
| The blaze did not burn itself out until 01:14 BST on Thursday - 24 hours later. | The blaze did not burn itself out until 01:14 BST on Thursday - 24 hours later. |
| What caused the fire to spread so quickly? | What caused the fire to spread so quickly? |
| The most significant part of the renovation of Grenfell Tower was the addition of external cladding. This consisted of aluminium sheets bonded to a central plastic (polyethylene) core. | The most significant part of the renovation of Grenfell Tower was the addition of external cladding. This consisted of aluminium sheets bonded to a central plastic (polyethylene) core. |
| In his report to the public inquiry, Professor Luke Bisby said evidence "strongly supports" the theory that the polyethylene material in the cladding was the primary cause of the fire's spread. | In his report to the public inquiry, Professor Luke Bisby said evidence "strongly supports" the theory that the polyethylene material in the cladding was the primary cause of the fire's spread. |
| "The ACM (aluminium composite material) product on Grenfell Tower incorporates a highly combustible polyethylene polymer filler which melts, drips, and flows at elevated temperature. The polyethylene filler material is expected to release large amounts of energy during combustion". | "The ACM (aluminium composite material) product on Grenfell Tower incorporates a highly combustible polyethylene polymer filler which melts, drips, and flows at elevated temperature. The polyethylene filler material is expected to release large amounts of energy during combustion". |
| His report also suggests that vertical cavities within the cladding structure played a role in the spread of the fire, as did the insulation, although evidence was inconclusive. | His report also suggests that vertical cavities within the cladding structure played a role in the spread of the fire, as did the insulation, although evidence was inconclusive. |
| A number of other flammable materials, including a polyurethane polymer foam insulation board which pre-dated the refurbishment were also present and may have contributed to the fire's spread, Prof. Bisby found. | A number of other flammable materials, including a polyurethane polymer foam insulation board which pre-dated the refurbishment were also present and may have contributed to the fire's spread, Prof. Bisby found. |
| In her report, Fire expert Dr Barbara Lane identifies combustible materials used in the refurbishment of the tower's windows as another factor in allowing the fire to spread. | |
| The Grenfell Inquiry has also heard that the building's smoke extraction system was not working, and that firefighters experienced problems with the water supply because there was no 'wet riser' - a water-filled pipe running up the building to be used in the event of fire. | The Grenfell Inquiry has also heard that the building's smoke extraction system was not working, and that firefighters experienced problems with the water supply because there was no 'wet riser' - a water-filled pipe running up the building to be used in the event of fire. |
| Who were the victims? | Who were the victims? |
| The final death toll from the blaze is now recorded as 72 people. | The final death toll from the blaze is now recorded as 72 people. |
| They include six members of the Choucair Family and five members of the Hashim Family, who lived on the 22nd floor. | They include six members of the Choucair Family and five members of the Hashim Family, who lived on the 22nd floor. |
| Five members of the El-Wahabi family died on the 21st floor. | Five members of the El-Wahabi family died on the 21st floor. |
| The youngest victim was six-month old baby Leena Belkadi, who died in her mother's arms as she tried to escape. | The youngest victim was six-month old baby Leena Belkadi, who died in her mother's arms as she tried to escape. |
| Other young victims included Jeremiah Deen, 2, Isaac Paulos, 5, Hania Hassan, 5, and her sister Fethia, 3, and twelve-year olds Biruk Haftom and Jessica Urbano-Ramirez. | |
| The oldest victim is believed to be 84-year-old Sheila from the 16th floor, who had lived in Grenfell Tower for 34 years. | The oldest victim is believed to be 84-year-old Sheila from the 16th floor, who had lived in Grenfell Tower for 34 years. |
| Baby Logan Gomes, who was stillborn in hospital on 14 June the morning after the fire, is also included in the toll. | Baby Logan Gomes, who was stillborn in hospital on 14 June the morning after the fire, is also included in the toll. |
| The final victim was Maria Del Pilar Burton, who suffered from serious long-term health issues, and died in hospital in January 2018. | The final victim was Maria Del Pilar Burton, who suffered from serious long-term health issues, and died in hospital in January 2018. |
| What kind of building was Grenfell Tower? | What kind of building was Grenfell Tower? |
| Grenfell Tower was part of the Lancaster West Estate, a social housing complex of almost 1,000 homes. | Grenfell Tower was part of the Lancaster West Estate, a social housing complex of almost 1,000 homes. |
| The tower was built in the 1970s, but recently renovated. | The tower was built in the 1970s, but recently renovated. |
| An £8.6m refurbishment - part of a wider transformation of the estate - was completed by Rydon Construction in May 2016. | An £8.6m refurbishment - part of a wider transformation of the estate - was completed by Rydon Construction in May 2016. |
| Work included new exterior cladding, replacement windows and a communal heating system. | Work included new exterior cladding, replacement windows and a communal heating system. |
| The bottom four floors were also remodelled, creating seven additional homes and improvements to communal facilities. | The bottom four floors were also remodelled, creating seven additional homes and improvements to communal facilities. |
| There were 129 flats across 21 residential floors and three levels of mixed use. | There were 129 flats across 21 residential floors and three levels of mixed use. |
| The tower was managed by the Kensington and Chelsea Tenant Management Organisation (KCTMO) on behalf of the council. | The tower was managed by the Kensington and Chelsea Tenant Management Organisation (KCTMO) on behalf of the council. |
| How is the fire and its causes being investigated? | How is the fire and its causes being investigated? |
| Specially trained officers from the Met, City of London Police and British Transport Police have been involved in the search and recovery operation, thoroughly searching every single flat on every single floor. | Specially trained officers from the Met, City of London Police and British Transport Police have been involved in the search and recovery operation, thoroughly searching every single flat on every single floor. |
| Officers have examined 15.5 tonnes of debris on each floor, helped by forensic anthropologists, archaeologists and forensic dentists or odontologists. | Officers have examined 15.5 tonnes of debris on each floor, helped by forensic anthropologists, archaeologists and forensic dentists or odontologists. |
| A public inquiry, ordered by Prime Minister Theresa May, is under way. | A public inquiry, ordered by Prime Minister Theresa May, is under way. |
| Lawyers representing survivors and relatives of the victims began giving evidence to the public inquiry into the tragedy on Monday 11 December 2017. | Lawyers representing survivors and relatives of the victims began giving evidence to the public inquiry into the tragedy on Monday 11 December 2017. |
| The Metropolitan Police are looking into offences including manslaughter, corporate manslaughter, misconduct in public office and breaches of fire safety regulations in relation to the fire, the inquiry has been told. | The Metropolitan Police are looking into offences including manslaughter, corporate manslaughter, misconduct in public office and breaches of fire safety regulations in relation to the fire, the inquiry has been told. |
| The force has already gathered 31 million documents and 2,500 physical exhibits. Some 1,144 witnesses have given statements and 383 companies are part of the investigation. | The force has already gathered 31 million documents and 2,500 physical exhibits. Some 1,144 witnesses have given statements and 383 companies are part of the investigation. |
| The public inquiry plans to deliver an interim report into the fire's causes and the emergency response by next autumn. | The public inquiry plans to deliver an interim report into the fire's causes and the emergency response by next autumn. |