Police are appealing for witnesses after a bus was in collision with a pedestrian in Lambeth.
Officers and London Ambulance Service were called to the incident at around 09:20hrs on Tuesday, 22 November, in Kennington Road near to the junction with Lambeth Road.
The pedestrian - a 54-year-old man - was taken to a central London hospital where his condition is critical.
The driver of the bus stopped at the scene. There has been no arrest.
Anyone who witnessed the incident is asked to call detectives from the Roads and Transport Policing Command on 020 8543 5157.