Expect delays through Wimbledon station this afternoon after a broken down train blocked several lines to London.

The incident began just before 10am this morning, with a statement on the National Rail website indicating the problem would last for hours.

"!The train which had developed a fault at Wimbledon, blocking the line towards London, has been moved," it said.

"South Western Railway trains are now able to call at the station in both directions.

"However, whilst service recovers, journeys through Wimbledon may be subject to delays of up to 30 minutes, as well as short notice cancellations and revisions.

The delays are expected to last until at least 1pm.