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Terror threat level is considered Terror threat level is considered
(about 3 hours later)
Security experts are considering relaxing the official estimate of the terrorist threat to the UK from "critical" to "severe".Security experts are considering relaxing the official estimate of the terrorist threat to the UK from "critical" to "severe".
The move comes as six people arrested over failed car bombings in Glasgow and London are being questioned at London's Paddington Green police station.The move comes as six people arrested over failed car bombings in Glasgow and London are being questioned at London's Paddington Green police station.
A seventh man, Khalid Ahmed, remains in hospital after the Glasgow attack. A seventh person, Khalid Ahmed, remains in hospital after the Glasgow attack.
An eighth man, Dr Mohammed Haneef, continues to be questioned in Australia after his arrest at Brisbane Airport. An eighth person, Dr Mohammed Haneef, is still being questioned in Australia after his arrest at Brisbane Airport.
Seven of those arrested are believed to be doctors or medical students while one formerly worked as a laboratory technician. Seven of those arrested are believed to be doctors or medical students, while one formerly worked as a laboratory technician.
A green Jeep Cherokee loaded with gas cylinders crashed into the doors of Glasgow Airport's main terminal and burst into flames on Saturday afternoon.A green Jeep Cherokee loaded with gas cylinders crashed into the doors of Glasgow Airport's main terminal and burst into flames on Saturday afternoon.
The previous day two Mercedes containing petrol, gas cylinders and nails were found outside a nightclub in London's Haymarket and at a vehicle pound after being towed from a nearby street. ARRESTS TIMELINE 30 June Two men arrested at Glasgow airport after burning car driven into doors of main terminal30 June A 26-year-old-man, Dr Mohammed Asha, and a 27-year-old woman arrested on the M6 near Sandbach, Cheshire30 June/1 July A 26-year-old man arrested near Liverpool's Lime Street station1 July A 28-year-old man and a 25-year-old man arrested in Paisley2 July A 27-year-old male doctor is detained in Australia, and a second doctor is questioned3 July Second doctor questioned in Australia is released without charge class="" href="/1/hi/uk/6260626.stm">Timeline: Failed bomb attacks class="" href="http://newsforums.bbc.co.uk/nol/thread.jspa?threadID=6686&edition=1">Send us your comments
On Tuesday night, a second doctor who was being questioned in Australia was released without charge. The previous day two Mercedes containing petrol, gas cylinders and nails were found. One was outside a nightclub in London's Haymarket and one was at a vehicle pound after being towed from a nearby street.
The Metropolitan Police have said a counter-terrorism officer is travelling to Australia to liaise with authorities. A second doctor who was being questioned in Australia has been released without charge.
Controlled explosions were carried out on a car in Glasgow on Tuesday class="" href="/1/hi/england/london/6265674.stm">Security alert at Heathrow class="" href="/1/hi/uk/6264230.stm">Who are bomb suspects? class="" href="/1/hi/health/6264236.stm">Vetting foreign doctors A counter-terrorism officer from the Metropolitan Police is travelling to Australia to liaise with authorities.
BBC correspondent Danny Shaw said the first phase of the investigation - rounding up suspects to prevent further attacks - was drawing to a close.BBC correspondent Danny Shaw said the first phase of the investigation - rounding up suspects to prevent further attacks - was drawing to a close.
Security experts are now considering a relaxation of the official estimate of the terrorist threat to Britain, currently judged to be critical. Investigators are now focusing on analysing evidence and interviewing suspects.
And security experts are considering a relaxation of the official estimate of the terrorist threat to Britain, currently judged to be critical.
If the Joint Terrorism Analysis Centre concludes that another attack is no longer imminent, the threat level will return to severe - one level below critical.If the Joint Terrorism Analysis Centre concludes that another attack is no longer imminent, the threat level will return to severe - one level below critical.
That would mean a slight reduction in security procedures and controls.That would mean a slight reduction in security procedures and controls.
Investigators are now focusing on analysing evidence and interviewing suspects, our correspondent said. MI5 database
Dame Pauline Neville-Jones, the former head of the Joint Intelligence Committee and the new shadow security minister, said terrorists will often target places like nightclubs - where the London bombs were left. Dame Pauline Neville-Jones, the former head of the Joint Intelligence Committee and the new shadow security minister, said terrorists would often target places like nightclubs - where the London bombs were left.
"They take the view that people, and women in particular, who engage in that kind of activity and go around, as they would regard it, half naked, are themselves not any longer victims."They take the view that people, and women in particular, who engage in that kind of activity and go around, as they would regard it, half naked, are themselves not any longer victims.
Controlled explosions were carried out on a car in Glasgow on Tuesday Who are bomb suspects? Vetting foreign doctors
"They are actually associated with and part of the kind of world that these people have decided they must combat.""They are actually associated with and part of the kind of world that these people have decided they must combat."
NHS link Security sources have told the BBC that none of the suspects had been under surveillance or the subject of an anti-terrorism operation before.
Security sources have told the BBC that none of the suspects has been under surveillance or the subject of an anti-terrorism operation before.
ARRESTS TIMELINE 30 June Two men arrested at Glasgow airport after burning car driven into doors of main terminal30 June A 26-year-old-man, Dr Mohammed Asha, and a 27-year-old woman arrested on the M6 near Sandbach, Cheshire30 June/1 July A 26-year-old man arrested near Liverpool's Lime Street station1 July A 28-year-old man and a 25-year-old man arrested in Paisley2 July A 27-year-old male doctor is detained in Australia, and a second doctor is questioned3 July Second doctor questioned in Australia is released without charge Police response to attacks Timeline: Failed bomb attacks Send us your comments
But details of some of them were on an MI5 intelligence database because of their alleged links with other individuals or inquiries.But details of some of them were on an MI5 intelligence database because of their alleged links with other individuals or inquiries.
On Tuesday, controlled explosions were carried out on a car at a mosque in Glasgow and on three fire extinguishers on a pavement in Hammersmith, west London.On Tuesday, controlled explosions were carried out on a car at a mosque in Glasgow and on three fire extinguishers on a pavement in Hammersmith, west London.
Later, the departure lounge at Heathrow Airport's Terminal 4 was partially evacuated after a suspect bag sparked a security alert.Later, the departure lounge at Heathrow Airport's Terminal 4 was partially evacuated after a suspect bag sparked a security alert.
Also on Tuesday, it emerged that seven of the eight people arrested were doctors or medical students.
All worked in NHS hospitals.
Sian Thomas, deputy director of NHS Employers, said she wanted to reassure the public there were "thorough and robust checks" in place before doctors were employed by NHS trusts.
Police have urged anyone with information to phone the confidential Anti-Terrorism hotline number on 0800789321.Police have urged anyone with information to phone the confidential Anti-Terrorism hotline number on 0800789321.

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