A major London road was closed by the emergency services after homes were flooded with sewage as a result of a burst main.
There were reports that residents were being evacuated from their homes on Clapham Road, Kennington in South London after being trapped by the filthy water.
A policeman at the scene told onlookers "It's sewage. It's stinky. It's gone into people's basements
A Metropolitan Police spokesman said: "There is flooding on Clapham Road between Oval and Stockwell stations, which has been caused by a suspected burst water pipe.
"We are asking people to avoid the area."
Neither the fire service or police force could confirm or deny whether it was sewage causing the problem.
Police in Lambeth Borough are asking pedestrians and motorists to avoid the Clapham Road, SW8 area due to flooding from a suspected burst water pipe between Oval and Stockwell Underground station.
London Fire Brigade says that it was called out at around 8:20pm.
Four fire engines are currently at the scene, in addition to a lorry with sandbags.
There are reports that water is now entering people's houses on Fentiman Road in Clapham.
The fire brigade is at the scene of the flooding in Clapham.
They say it has been caused by a burst water main.