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.
More top news
Doctors in Australia have reattached 16-month-old Jaxon Taylor's head to his spine after he was 'internally decapitated' in a car accident.
Alan Titchmarsh becomes the new chancellor at the university where I and my daughter both studied, writes Alastair Stewart.
Heavy showery rain will continue to push northeastwards across the north of Britain during the rest of today.