"Emergency Engineering Work in the Wimbledon area is causing disruption to South West Trains services into and out of London Waterloo.
"All train services between Waterloo and Wimbledon are subject to delays and short notice cancellations.....
"Engineers are on site making the necessary repairs to enable us to reopen the line however we currently have no estimate for when a normal service will resume.
"We are sorry for the disruption to your journey this morning."
More top news
Celebrations to mark St George's Day have started in Trafalgar Square with feasts and tea to be found in abundance.
People took to the streets of Brixton today to march against what they see as the 'gentrification' of the area.
A mother has issued an appeal for information after her "quiet" son who had a "lovely smile" was found dead in the Thames.