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Northern Line commuters are facing further travel misery as Transport for London has warned a signalling problem could affect services until tomorrow morning.

Customers using the busy Tube line have been hit by two days of chaos, with the entire line suspended during the morning rush-hour on Tuesday.

There was still no service between Camden Town and Kennington, southbound via Bank, by 5pm, with delays on the rest of the line.

TfL said in a tweet that a signal failure is likely to affect the line for the rest of the day, and may also impact tomorrow morning’s service.

The southbound service will remain suspended for the rest of the day, it added.

In a statement, a TfL boss told passengers to complete journeys by 9.30pm.

The transport operator’s Director of Customer Service, Brian Woodhead said: “I am extremely sorry for the disruption Northern Line customers have been experiencing this week.

“This has been caused by an issue with the signalling system which our engineers are working hard to fix.”

Mr Woodhead warned that in efforts to fix the problem, services would be stopping tonight by 9.30pm.

He added: “To enable this work to continue, services on the Northern line within Zone 1&2 will finish early this evening.

“We advise customers to complete all Northern line journeys by 9.30pm today and check for the latest travel advice before travelling tomorrow morning.”

Customers have also been that Bank, London Bridge, Moorgate and Camden Town stations are expected to be "extremely busy".

As well as those travelling on the Northern Line, frustrated customers also faced disruption at one of London’s busiest stations, Victoria.

Those travelling to the central London hub affected after a train derailed, causing major delays and cancellations to all services - including the Brighton Line - which use the busy station, affecting tens of thousands of passengers.

Disruption is set to last until the end of the day, with passengers strongly advised to travel to and from London Bridge or Blackfriars.

The Gatwick Express is suspended, while a reduced service will run on many lines.

Around 12pm there were also severe delays on the Bakerloo line between Queen's Park and Harrow and Wealdstone after a signal problem, but this was resolved by mid-afternoon.