Our officers were called to a trespass incident near Charlton station at 2am on Wednesday 13 August, after reports of a man on the tracks.
Colleagues from the Metropolitan Police Service and London Ambulance Service are also in attendance. The man is currently still on the scene, and specialist officers are talking to him in order to resolve the situation.
More top news
Police have identified a man and woman found stabbed to death in Fulham.
The Polish Cultural Association say they are "horrified" following abusive graffiti that was posted on their building in Hammersmith.
A time-lapse video has revealed how Ai Weiwei’s artwork Forever was taken apart.