Following the earlier security alerts, there is currently no service on the Piccadilly or Bakerloo lines due to staff action; train operators are at present refusing to work in what amounts to wildcat strike action.
The Heathrow Express is currently accepting valid LU tickets and travelcards for services between Heathrow Airport and Paddington.
The Hammersmith and City Line is closed and parts of the Northern, Metropolitan and Victoria Lines are closed. The Northern line operating between Morden to Stockwell, Kennington to Edgware via Bank and Morning Crescent to High Barnet and Mill Hill East only. The Victoria line is currently operating between Walthamstow to Highbury & Islington and between Victoria to Brixton.
The Oval, Warren Street and Shepherd's Bush (Hammersmith and City Line) Tube stations remain closed after being evacuated shortly before 1230 BST.
Green Park Tube station is also shut.
Mainline rail services:
Midland Mainline trains are not running into or out of King's Cross St Pancras station. Moorgate mainline station is closed and Thameslink trains are not stopping at St Albans.
Buses are operating as normal through the City.
Sources: BBC, TfL website