The Government has raised the national terror threat level to "critical" after a burning Jeep was rammed into Glasgow airport. Police say the attack is linked to the two car bombs that were found in the heart of London. It has also been revealed that one of the two suspects arrested in Scotland was wearing a "suspicious device". Officers would not say whether it was a suicide belt. Gordon Brown has warned the British people to be vigilant and told them to remain "united, resolute and strong".The UK is now at its highest threat level - meaning further attacks are expected "imminently".
Mr Brown - who was born in Glasgow - said: "The first duty of the Government is the security and safety of all the British people. So it's right to raise the levels of security at airports and crowded places. "I want all British people to be vigilant and support the police. I know the British people will stand together united, resolute and strong."
Liverpool's John Lennon airport and Blackpool airport have been closed and security tightened at other UK airports. The US has also installed extra security at its airports.
The Jeep Cherokee was rammed into the terminal at 3.11pm this afternoon. (Sky News)
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Daily Merlin Insight
Giver of Spheres - Depiction of 'the fool/jester' receiving a sphere from the giver of spheres.
Giver of Weapons - A kneeling 'knight' receiving the flaming sword from the giver of weapons.