A 45-year-old man is in a serious condition after he was attacked in Hackney early on Sunday morning.
The man was found with a slash across his neck in Lower Clapton Road at 4.30am.
Part of Dalston Lane and Lower Clapton Road were closed by police who believe the victim was attacked in the street close to the Seventy Seven Social Club restaurant in Dalston Lane. No-one has been arrested.
Anyone with information is asked to contact the Metropolitan Police Service or to call Crimestoppers anonymously.