UK terror threat increased to highest possible level
British PM says threat is now critical, another attack is expected imminently.
The British Prime Minister Theresa May has said terror threat has been increased to its highest level after yesterday's train blast in Southwest London.
The British Prime Minister in a statement said the threat is now critical and another attack is expected imminently.
She said the military would be providing support to police on guard duty at national infrastructure sites that are not accessible to the public.