Police are appealing for witnesses following a serious assault in Bexleyheath.
Officers were called to the Broadway, Bexleyheath at 1.34am on Sunday, 1 December.
It had been reported that a man had been assaulted near a nightclub.
Officers and London Ambulance Service attended and found a 28-year-old-man with a serious head injury.
He has been taken to a south London hospital where his condition is described as critical; his family have been informed.
A 26-year-old-man was arrested close to the scene on suspicion of GBH and is currently in custody at a south London police station.
Any witnesses or anyone with any information is asked to call police on 101 or contact via Twitter @MetCC. Please quote CAD 649/01DEC.