Home Secretary Charles Clarke said the blasts had caused "terrible injuries''.He added the Prime Minister was being kept informed, people in London should not make unnecessary journeys and he would be making a statement to MPs later.

Home Secretary Charles Clarke said the blasts had caused "terrible injuries''.

He added the Prime Minister was being kept informed, people in London should not make unnecessary journeys and he would be making a statement to MPs later.

A statement from the Commons is expected at 12.15pm.