From The Guardian UK
By Mark Townsend, Jo Revill and Paul Kelbie

Britain is braced tonight for a fresh wave of terrorist attacks as the national threat level was raised to ‘critical’ following an attempted car bombing of Glasgow airport.

Just four days into his premiership, Gordon Brown was dealing with the most dangerous situation facing Britain since the attacks on London in July 2005. Police and intelligence officers confirmed that there was a direct link between the Scottish attack and the attempting car bombing of London on Friday - confirming the reality of a renewed UK offensive by Islamic extremists.

Tonight the Prime Minister summoned intelligence chiefs and ministers to a meeting of the Cobra emergency committee in Whitehall to discuss the deteriorating security situation. It was agreed to raise the threat level to the highest degree possible, a decision that confirmed another attack is expected imminently.

In a televised address from Downing Street, a sombre-faced Brown urged people to be ‘vigilant’ and support the police and security services. He said: ‘I know that the British people will stand together, united, resolute and strong.’

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