Clapham Junction train fire - live: Gatwick Express and Southern trains in chaos

A train is on fire at Clapham Junction , causing major disruption to Southern and Gatwick Express services between Balham and London Victoria .

Southern said both lines between Balham and Clapham Junction are blocked until further notice, while trains are unable to stop at Wandsworth Common or Battersea Park. Gatwick Express has also warned passengers that some lines are closed between Balham and London Victoria.

National Rail says Southern services may be delayed by at least 15 minutes or revised, with disruption currently expected until 3pm.

Passengers have been advised to allow at least 20 minutes extra for their journeys and may need to use alternative routes. Southern said it is working with the fire brigade to extinguish the blaze as quickly as possible.

Passengers have been reacting online after Southern reported a fire on a train at Clapham Junction.

National Rail has confirmed that disruption following the incident between Balham and London Victoria has now ended.

Services are returning to normal after a train fault, which Southern said involved reports of a fire at Clapham Junction, caused lines to be blocked earlier.

Are you at Clapham Junction or travelling on an affected Southern or Gatwick Express service?

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National Rail currently expects disruption caused by the incident to continue until 3pm.

Trains are being diverted via an alternative track while the affected line remains closed.

National Rail is warning passengers to allow at least 20 minutes extra for their journeys while the disruption continues.

The incident is disrupting Southern and Gatwick Express services between Balham and London Victoria.

Southern says both lines between Balham and Clapham Junction are blocked until further notice.