Police are hunting a bus sex pest, who turned violent after being challenged for groping a female passenger in north London.
Officers from the Metropolitan Police's Roads and Transport Policing Command have released this CCTV issue of the suspect.
The woman was travelling on a 144 bus along High Road, Wood Green at around 3.20pm on June 19, last year when she was touched from behind.
Other passengers may remember during the incident, the victim walked after the suspect, took him by the collar and said: "What do you think your doing?"
Another female passenger shouted: "Don’t touch her," and the suspect responded by turning around and striking her on the left side of her face, hitting her glasses.
The man is described as a white, aged between 35 and 45 years-old and approximately 6ft in height.
He had short mousey hair which was turning grey and blue/grey eyes.
He was wearing a white collared shirt with a grey jumper or hooded top.
Anyone with information about the man or any information about the incident is urged to contact Detective Constable Gavin Staplehurst in the Roads and Transport Policing Command via 101.
To give information anonymously contact Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org.