A serious accident closed off part of Woolwich Town Centre on Thursday morning.
The air ambulance was called and police sealed off an area near to Woolwich Arsenal railway .
Officers were called at 7.30am to reports a man had been hit by a van.
The pedestrian has been taken to an east London hospital with possible life-threatening injuries.
The driver of the van stopped at the scene.
Eye witnesses reported a serious incident involving a pedestrian and a collision with a vehicle.
Local busses were diverted and there were queues on all approaches to New Road.
The man in his mid-60’s was air lifted to a major trauma centre in east London with a head injury.
He remains in a critical but stable condition.
The driver of the van stopped at the scene.
No arrests have been made and enquiries continue.
Pictures: Pete Fergusson