A20 Sidcup By-Pass is closed at the junction of Frognal Corner due to a police incident. Traffic being diverted off the A20.
A bystander at the scene said that there is a heavy police presence at the nearby Queen Mary’s Hospital which is on Frognal Avenue.
The Metropolitan Police say they were called to a concerns for welfare of a man who was seen on a bridge.
Officers were called just before 12pm on Monday.