London tube bombing: PM says terror threat level raised to critical
2017-09-16 08:58:46 source：The Guardian
September 15, 2017
Britain’s terror threat level has been raised from severe to critical, indicating a further attack may be imminent following the Parsons Green tube bombing, Theresa May has said.
A hunt was under way on Friday for the bomber who attempted to bring carnage to a London rush-hour tube train packed with schoolchildren and commuters.
Twenty-nine people including a young boy were injured when the bomb partially detonated and sent a ball of fire along a carriage of a District line train at Parsons Green, west London.
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