Severe delays on Piccadilly, District, Hammersmith & City and Circle Lines after a power failure near Earl's Court

Emma Haslett
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Service resumed on the Piccadilly Line (Source: Getty)

Service has resumed on the Piccadilly, Circle, District and Hammersmith & City Lines after they were suspended following a signal systems failure this morning.

However, severe delays were affecting all four lines.

A spokesman for Transport for London (TfL) said the problem was due to a local power failure in the Earl's Court area, which knocked out power supply to the control room.

TfL is switching power over from the local supply to its own supply, but it said the process will take "some time".

In a tweet, it "strongly advised" customers to use alternative routes.

Read more: The official ranking of the hottest Tube lines, according to TfL

Meanwhile, the London Overground was hit by severe delays between New Cross Gate and West Croydon and Crystal Palace while TfL fixed a faulty train at Brockley.

Read more: TfL plans to clean up the Tube with industrial vacuums and "magnetic wands"

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