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"Metropolitan Police Deputy Assistant Commissioner Brian Paddick confirmed 33 people had died in the blasts on the Underground.
He said there were 21 confirmed fatalities following the blast at 0856 BST in a tunnel between King's Cross and Russell Square.
There were seven confirmed deaths after a blast at 0851 BST 100 yards into a tunnel from Liverpool Street station. The train was either a Central Line or Circle Line train.
And at 0917 BST an explosion on a train coming into Edgware Road underground station blew a hole through a wall onto another train in an adjoining platform.
Three trains were thought to be involved and there were five confirmed deaths so far, Mr Paddick said.
He said it was not yet known how many died in the bus blast at 0947 at the junction of Upper Woburn Square and Tavistock Place.
London Ambulance Service said it had treated 45 patients with serious or critical injuries including burns, amputations, chest and blast injuries and fractured limbs.
Some 300 more people were treated for minor injuries including lacerations and smoke inhalation, LAS assistant chief officer Russell Smith added."
My thoughts are with the families of those killed and injured.