A police incident on Meadow Row, Elephant and Castle, has blocked off the the New Kent Road leading up to the Elephant and Castle roundabout.
Officers could be seen on the walkway of Albert Barnes House, Elephant and Castle, and had erected a cordon from Ash Avenue to the roundabout.
A policeman at the scene said there was “an ongoing incident so we can’t say what’s happening”.
Pedestrians gathered at the cordon, with one man saying he lived at Meadow Row and hadn’t been allowed back in.