Rail passengers are facing massive delays on all lines out of London Waterloo.
Problems have been caused by a cable problem
Network Rail say disruption will continue for several hours.
All lines to the south are hit.
More top news
Simon's Blog - Faces In Unexpected Places
Here is the letter sent by the broadcasters to Prime Minister David Cameron's office in relation to the planned TV leaders debates.
A woman has avoided a jail sentence for possessing more than 600 indecent images - of children and pornographic images of animals.