With just 50 days to go until the start of the Olympics, Transport bosses are insisting the network will be able meet demand during the Games.
This morning, four tube lines were either suspended or delayed including the Central line which has been flooded by a burst water main.
The knock on effect was chaos for hundreds of thousands of commuters and increased fears the tube will be unable to cope this summer.
Toby Sadler reports.
More top news
As Christians communities prepare to mark Holy Week, find out the true meaning behind the Easter story and how each day will be celebrated.
More than 200 people are expected at London's first Muslim Youth Festival which will look at stopping the radicalisation of young Britons.
A report by a London university has found that chief police officers use "predatory" behaviour towards junior staff.