Police are hunting a bus passenger who attacked a driver when challenged about having the wrong ticket in north London.
Officers said the attack happened around Saturday, October 28 near Cricklewood Broadway.
A passenger boarded a bus with an invalid ticket and then assaulted the driver when challenged about his ticket, the Met Police said.
The driver, a man in his mid-30s, did not require any medical treatment.
The suspect is described as aged 30 to 40, 5ft 6ins and of north African appearance.
Officers on Sunday released an image of a man they wish to speak to in connection with the incident.
Witnesses are asked to call police on 101 or contact via X/Twitter @METCC, quoting CAD 4696/18NOV.
To give information anonymously contact Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org.