LONDON UNDERGROUND
Trains are now running on sections of the Metropolitan Line and the Hammersmith and City Line.
Metropolitan Line services will be operating between Baker Street and Moorgate, and Hammersmith and liine trains will be running from Hammersmith to Paddington.
BUSES
Buses are nearly back to normal, although there are suspensions and diversions around bomb sites at King's Cross, Aldgate and Russell Square.
A Transport for London (TfL) spokeswoman said: "Regular extra security checks are being carried out on all buses, at bus stations and garages.