Police have released CCTV footage following a violent assault in Harrow which saw and man kicked and punched unconscious.
The vicious and unprovoked beating happened outside Sudbury Hill Post Office and left the victim with a broken nose and left arm.
Police were called to the scene in Greenford Road at 1.30am on February 21.
CCTV cameras show the suspect approach the victim on the opposite side of the road from behind and hit him over the back of the head.
He then kicks his victim in the head, knocking him out.
The victim, a man in his late 20s, was taken to a north London hospital for treatment.
The suspect is a white man, aged in his early 20s, of large build and with short dark hair.
He was wearing a hooded jacket, light blue jeans and white trainers.
Police want to hear from people who saw the assault or recognises the man from the footage.
Anyone with any information can call 101 quoting reference number 213052, or call Crimestoppers anonymously on 0800 555111.