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London attack: Who were the attackers? London attack: Who were the attackers?
(35 minutes later)
Police have named the three knife-wielding men who killed seven people and injured 48 others during Saturday's attack in London Bridge.Police have named the three knife-wielding men who killed seven people and injured 48 others during Saturday's attack in London Bridge.
Khuram Butt, Rachid Redouane and Youssef Zaghba stabbed revellers in Borough Market, shouting: "This is for Allah," and wearing hoax bomb belts.Khuram Butt, Rachid Redouane and Youssef Zaghba stabbed revellers in Borough Market, shouting: "This is for Allah," and wearing hoax bomb belts.
Police are now trying to piece together how the three men met and how they planned the attack.Police are now trying to piece together how the three men met and how they planned the attack.
This is what we know about the attackers.This is what we know about the attackers.
Khuram ButtKhuram Butt
Khuram Butt, 27, was born in Pakistan but was a British citizen.Khuram Butt, 27, was born in Pakistan but was a British citizen.
He lived in a flat in Barking, east London, with his wife and two children.He lived in a flat in Barking, east London, with his wife and two children.
According to a CV obtained by the BBC, Butt worked at a security firm until 2016 and as a customer service assistant at Transport for London.According to a CV obtained by the BBC, Butt worked at a security firm until 2016 and as a customer service assistant at Transport for London.
It also shows he claimed to have a Security Industry Authority (SIA) licence, required by security workers and involves a criminal record check. The BBC has asked the SIA whether this was the case. It also shows he claimed to have a Security Industry Authority (SIA) licence, which is required by security workers and involves a criminal record check.
The SIA told the BBC it was was unable to comment because an investigation was under way.
But the SIA spokeswoman added that a criminal record would not necessarily prevent someone from holding a licence, as criteria including the type and seriousness of any offences are taken into consideration.
Before this, Butt claimed jobseeker's allowance for seven months, prior to working at a Kentucky Fried Chicken (KFC) franchise in East Ham between 2012 and 2015.Before this, Butt claimed jobseeker's allowance for seven months, prior to working at a Kentucky Fried Chicken (KFC) franchise in East Ham between 2012 and 2015.
The fast food outlet confirmed that Butt had worked at the franchise, run by Auriga Holdings, and added it was co-operating with authorities.The fast food outlet confirmed that Butt had worked at the franchise, run by Auriga Holdings, and added it was co-operating with authorities.
Butt's Whatsapp account shows he was last active on the network at 17:59 BST last Wednesday.Butt's Whatsapp account shows he was last active on the network at 17:59 BST last Wednesday.
Butt was known to police and security services - an investigation into him began in 2015, when one man called the terrorism hotline after concerns Butt had been been radicalised.Butt was known to police and security services - an investigation into him began in 2015, when one man called the terrorism hotline after concerns Butt had been been radicalised.
A woman also went to local police after she became concerned that Butt was trying to radicalise her children.A woman also went to local police after she became concerned that Butt was trying to radicalise her children.
Assistant Commissioner Mark Rowley said police and MI5 had downgraded the investigation because "there was no intelligence to suggest that this attack was being planned".Assistant Commissioner Mark Rowley said police and MI5 had downgraded the investigation because "there was no intelligence to suggest that this attack was being planned".
Butt had featured in a Channel 4 documentary, The Jihadis Next Door, broadcast last year.Butt had featured in a Channel 4 documentary, The Jihadis Next Door, broadcast last year.
In the programme, he was seen to support convicted hate preacher Anjem Choudary.In the programme, he was seen to support convicted hate preacher Anjem Choudary.
It is also believed that he had been thrown out of a mosque after interrupting an imam who had urged people to use their vote in the 2015 general election.It is also believed that he had been thrown out of a mosque after interrupting an imam who had urged people to use their vote in the 2015 general election.
Rachid RedouaneRachid Redouane
Thirty-year-old Rachid Redouane claimed to be Moroccan-Libyan, and Irish security forces confirmed he had married a British woman in 2012.Thirty-year-old Rachid Redouane claimed to be Moroccan-Libyan, and Irish security forces confirmed he had married a British woman in 2012.
He was a pastry chef and was not under surveillance in Ireland.He was a pastry chef and was not under surveillance in Ireland.
The pair lived for a time in Rathmines, Dublin, but he may have intermittently visited the UK because he had a European Union permit.The pair lived for a time in Rathmines, Dublin, but he may have intermittently visited the UK because he had a European Union permit.
He lived in Barking, but was estranged from his wife. They had an 18-month-old daughter together.He lived in Barking, but was estranged from his wife. They had an 18-month-old daughter together.
Youssef ZaghbaYoussef Zaghba
Italian-Morrocan Youssef Zaghba is believed to be the third attacker.Italian-Morrocan Youssef Zaghba is believed to be the third attacker.
The 22-year-old lived in east London but was an Italian national of Moroccan descent.The 22-year-old lived in east London but was an Italian national of Moroccan descent.
Italian police sources confirmed that Zaghba was stopped at Bologna airport in March 2016 when he was on his way to Turkey, due to concerns he might travel to fight in Syria.Italian police sources confirmed that Zaghba was stopped at Bologna airport in March 2016 when he was on his way to Turkey, due to concerns he might travel to fight in Syria.
Material about the so-called Islamic State group was found on his phone.Material about the so-called Islamic State group was found on his phone.
Sources told the BBC that the database, which Zaghba was on, would have been shared with British security services - although it is not clear how this was done. There are various methods for passing on information either directly or through shared EU border databases.Sources told the BBC that the database, which Zaghba was on, would have been shared with British security services - although it is not clear how this was done. There are various methods for passing on information either directly or through shared EU border databases.