The London commute has been plunged into chaos this morning as three underground lines are down and the Blackwall Tunnel is closed at the height of rush hour.

Commuters on the Elizabeth line, Metropolitan line and Piccadilly lines are facing major delays while faulty CCTV cameras in four London tunnels, including Blackwall, are causing long tailbacks.

The other tunnels affected are Rotherhithe, Hanger Lane, and Upper Thames Street. Blackwall Tunnel is set to remain closed until 10am.

Travellers have reported "having horror journeys" into work and not moving for 20 minutes at a time. 08:09 KEY EVENT

Travel chaos across four major London tunnels

Four major tunnels are facing long queues due to technical difficulties.

Issues have been reported on Rotherhithe Tunnel, Blackwall Tun

See Full Page