Thames Water has said the A3 in Kennington will remain closed over the weekend, after the road was flooded on Thursday.
There's been major disruption after a 30 inch pipe burst, which then caused a damage to a smaller pipe.
Engineers are still working to clear debris and to find out what caused the problem.
Thames Water has thanked the London Fire Brigade for helping to pump out gallons of water and for distributing sandbags to protect residents
More top news
Twins Laviai and Lina Nielson were so inspired by volunteering at London 2012, that their ambition ever since has been to compete at Rio.
Candidate Sadiq Khan called for Ken Livingstone to be thrown out of the party after the former mayor claimed Hitler supported Zionism.
Police are hunting for a passenger seen on the Victoria Line after a woman was sexually assaulted on the Tube.