A school has been closed and a several shops and homes evacuated after a suspected Second World War bomb was found in Lewisham.
Police were called to a building site on Boone Street at 9.14 and a bomb disposal squad are investigating.
The suspected World War II ordnance was found "just behind the Marks & Spencer near the petrol station", according to local card shop Lewisham Card.
A 200-metre cordon is currently in place, and police anticipate it will be there for some time.
St Margaret's Lee CE Primary School has been evacuated.
Several nearby roads are closed and motorists are being advised to avoid the area.