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PM defiant over 'al-Qaeda threat' PM defiant over 'al-Qaeda threat'
(20 minutes later)
Britain "will not yield" or be intimidated by a threat from "people who are associated with al-Qaeda", Prime Minister Gordon Brown says. Britain will not yield despite a sustained threat from people associated with al-Qaeda, Gordon Brown has said after three car bomb attacks in the UK.
He was speaking to the BBC after Saturday's attack on Glasgow Airport was linked to the discovery of two car bombs in London's West End on Friday. The prime minister was speaking to the BBC after Saturday's attack on Glasgow Airport was linked to the two car bombs found in London's West End on Friday.
He said: "We will not allow anyone to undermine our British way of life."He said: "We will not allow anyone to undermine our British way of life."
Police are now holding four people over the attack on the airport and are searching houses in Glasgow. Police are now holding four people over the attack on the airport and are searching houses near Glasgow.
The UK has moved to its highest level of terror alert - critical - after a burning car crashed into the airport and the government's emergency response unit, Cobra, is shortly expected to hold its fourth meeting in three days.
Mr Brown told Andrew Marr on BBC1's Sunday AM it was "clear that we are dealing, in general terms, with people who are associated with al-Qaeda."Mr Brown told Andrew Marr on BBC1's Sunday AM it was "clear that we are dealing, in general terms, with people who are associated with al-Qaeda."
The UK moved to its highest level of terror alert - critical - after the burning car crashed into the airport. "It's obvious that we have a group of people - not just in this country, but round the world - who're prepared at any time to inflict what they want to be maximum damage on civilians, irrespective of who the religion of these people who are killed or maimed are to be," he said.
Two men were arrested, one who is in hospital with severe burns, after Saturday's attack, and two arrests were made on the M6 in Cheshire overnight. Constant vigilance
Police are searching several houses in Glasgow over the three attacks. Mr Brown also praised the "magnificent work" of police and security services and the public for being vigilant and for helping prevent what could have been loss of life.
"We can confirm that, as part of the ongoing enquiry into the incidents at Glasgow airport and London, a number of houses in the Renfrewshire area are being searched," a police statement said. Passengers and staff were evacuated from the airport class="" href="/1/hi/scotland/6257846.stm">Airport attack was terrorism class="" href="/1/hi/in_pictures/6257388.stm">Your pictures: Glasgow alert
A witness told Reuters news agency they saw officers wearing white overalls, coming in and out of a semi-detached house in the town of Houston, about six miles (nine km) from Glasgow. He said people still needed to be "constantly vigilant" against what was a "long-term and sustained threat".
"We have to fight it in a number of different ways - militarily, by security, by police, by intelligence," he added.
"And I think it's important to say also on a day like this - we've got to also fight it as a battle of hearts and minds.
"We've got to separate if you like those great moderate members of our community from a few extremists who wish to practise both violence and inflict maximum loss of life in the interests of a perversion of their religion."
Of the four people being held over the attacks, two men were arrested at Glasgow Airport, in Paisley, after their Jeep Cherokee crashed into the main doors and burst into flames.
One of the suspects suffered severe burns and was taken to the city's Royal Alexandra Hospital, where he is said to be in a critical condition.
The other two people were arrested on the M6 in Cheshire overnight.
'Critical condition''Critical condition'
An eyewitness to the arrests in Cheshire, Peter Whitehead told BBC News 24 that three cars straddled the motorway and brought traffic to a halt. Earlier, an eyewitness to the arrests in Cheshire, Peter Whitehead told BBC News 24 that three cars straddled the motorway and brought traffic to a halt.
"It turned out they were unmarked police cars. In front of them were a couple of other unmarked police cars and they forced a car onto the hard shoulder and got the occupants out and as far as I can see arrested them," he said."It turned out they were unmarked police cars. In front of them were a couple of other unmarked police cars and they forced a car onto the hard shoulder and got the occupants out and as far as I can see arrested them," he said.
Passengers and staff were evacuated from the airport href="/1/hi/scotland/6257846.stm">Airport attack was terrorism class="" href="/1/hi/in_pictures/6257388.stm">Your pictures: Glasgow alert HAVE YOUR SAY It wouldn't be normal not to feel some apprehension in London or any city after an event like this C Matthews, Birmingham href="http://newsforums.bbc.co.uk/nol/thread.jspa?threadID=6686&edition=1">Send us your comments
Counter-terrorism police made the arrests hours after Strathclyde police had confirmed they were linking the attack in Glasgow with events in London.Counter-terrorism police made the arrests hours after Strathclyde police had confirmed they were linking the attack in Glasgow with events in London.
Chief Constable Willie Rae said: "There are clearly similarities, and we can confirm that [the Glasgow attack] is being treated as a terrorist incident."Chief Constable Willie Rae said: "There are clearly similarities, and we can confirm that [the Glasgow attack] is being treated as a terrorist incident."
Two men were arrested at Glasgow Airport, which is in Paisley, after their Jeep Cherokee crashed into the main doors and burst into flames.
One of the suspects suffered severe burns and was taken to the city's Royal Alexandra Hospital, where he is said to be in a critical condition.
Strathclyde Police had believed he was in possession of "a suspect device", but it was later found not to be explosive.Strathclyde Police had believed he was in possession of "a suspect device", but it was later found not to be explosive.
The vehicle involved has been made safe and will be examined by forensic experts. It is expected to be removed later on Sunday morning. The vehicle involved has been made safe and will be examined by forensic experts.
Two Mercedes containing petrol, gas cylinders and nails were found outside the Tiger Tiger club in London's Haymarket and a nearby street on Friday, but the devices did not detonate.Two Mercedes containing petrol, gas cylinders and nails were found outside the Tiger Tiger club in London's Haymarket and a nearby street on Friday, but the devices did not detonate.
In the light of the attacks, the national terrorism threat level was raised to "critical" on Saturday after a meeting of the government emergencies committee, Cobra.
The critical threat level, the highest one possible, indicates terror attacks are 'imminent'.
'CRITICAL' THREAT LEVEL Critical - an attack is expected imminentlyIt is the highest of five threat levels under the new system which began in August 2006It can be based on intelligence but in this case is understood to have been raised because previous attacks suggest riskIt is the second time the UK has been 'critical' under systemThe threat levels are a tool for security practitioners working in different sectors'CRITICAL' THREAT LEVEL Critical - an attack is expected imminentlyIt is the highest of five threat levels under the new system which began in August 2006It can be based on intelligence but in this case is understood to have been raised because previous attacks suggest riskIt is the second time the UK has been 'critical' under systemThe threat levels are a tool for security practitioners working in different sectors
BBC home affairs correspondent Danny Shaw said the decision to raise the level to critical reflected concern that those responsible have the capability and intent to carry out further bombings. BBC home affairs correspondent Danny Shaw said the decision to raise the UK's security level to critical on Saturday reflected concern that those responsible have the capability and intent to carry out further bombings.
He said the similarities between the attacks suggested they were carried out by the same individuals or by members of the same cell.He said the similarities between the attacks suggested they were carried out by the same individuals or by members of the same cell.
All flights to and from Glasgow Airport were suspended after the attack on Saturday. The critical threat level, the highest one possible, indicates terror attacks are "imminent".
The airport reopened to incoming flights at 0737 BST when a plane from Ibiza landed, and the first departure is expected at 0900 BST. All flights to and from Glasgow Airport were suspended after the attack.
And a number of other airports stepped up security, including Edinburgh, Newcastle, Birmingham, Manchester and Blackpool. John Lennon Airport in Liverpool was closed while a suspicious vehicle was removed for examination, but has now re-opened. The airport is now operating a phased reopening and flights from Orlando and Ibiza have arrived.
And a number of other airports stepped up security, including Edinburgh, Newcastle, Birmingham, Manchester and Blackpool.
Security has also been tightened at airports across the US.Security has also been tightened at airports across the US.
CCTV footage
In a televised statement on Saturday, Prime Minister Gordon Brown urged the public to remain vigilant.
"I know the British people will stand together, united and resolute," he said.
He also thanked the police, the security and emergency services for their "dedicated professionalism" in Glasgow and London.
Police in London are checking CCTV footage in their investigation into the planting of the two car bombs.Police in London are checking CCTV footage in their investigation into the planting of the two car bombs.
Police have been increasing patrols and security for events in London over the weekend, including the Gay Pride parade on Saturday, the Concert for Diana at Wembley Stadium on Sunday and the ongoing Wimbledon tennis championships. Police have been increasing patrols and security for events in London over the weekend, including the Concert for Diana at Wembley Stadium on Sunday and the ongoing Wimbledon tennis championships.
Police have urged anyone with information to phone the confidential Anti-Terrorist hotline number on 0800789321. Police have urged anyone with information to phone the confidential Anti-Terrorism hotline number on 0800789321.
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