Brent police are appealing for witnesses after a 54-year-old man was seriously assaulted by two or three men in Harlesden.
The victim was robbed of his phone and his keys on Nicoll Road on Sunday July 13 at about 9.30pm.
He was later taken to a central London hospital with a deep cut to the head requiring multiple stitches.
The suspects have been described as two to three black man, and no arrests have yet been made.
Anyone with information is asked to call 101, alternatively you can contact Crimestoppers anonymously on 0800 555 111 or visit www.crimestoppers-uk.org