Water is being pumped into a pedestrian underpass in Croydon to protect around buildings under threat. The Purley Cross underpass will be turned into an emergency pond as hundreds of thousands of litres of water is pumped into the area.
Authorities hope the move will protect around 400 buildings which are under threat from flooding in Kenley and Purley. They are also trying to protect a water treatment works which supplies tens of thousands of homes.
More top news
Paramedics were called to reports of an unresponsive baby girl on a bus in east London - she later died in hospital.
Transport for London is not happy that its branding has been used.
If you've been anywhere near Trafalgar Square today you'll notice something different.