A 42-year-old man was assaulted after his car was involved in a crash with another vehicle in Bexleyheath.
Detectives are now investigating the incident which happened on Sunday (July 20) at 12.40am in Erith Road.
A VW Golf and Skoda Octavia crashed into each other and the passenger in the Skoda then assaulted the driver of the Golf before fleeing the scene.
The 42-year-old man who was driving the Golf was treated at a south London hospital for face and leg injuries.
No one has been arrested but enquiries are continuing.
- Woolwich man 'stabbed in car' just yards from London Marathon route
- UPDATE: Teenager, 15, reported missing from Greenwich two weeks ago found safe and well
- Former Gravesham mayor and council leader Frank Gibson dies
- Daredevil's Charlie Cox chats to Vibe about Netflix's smash and possibility of Avengers team-up
- VIDEO: 37,000 people (and giant testicles) run through Greenwich in biggest ever London Marathon