A 21-year-old man has died after being stabbed at London"s Notting Hill Carnival overnight, police said on Tuesday. The man, who has not yet been formally identified, was stabbed in a street near the carnival, a Scotland Yard spokesman said. "The man was rushed to St Mary"s Hospital in Paddington, where he later died," he said. The spokesman said police were looking for the attacker. The BBC reported that it was the first death at the annual carnival since 1997. More than a million people danced on Monday to the steel bands and Caribbean beat of the Notting Hill Carnival in west London -- Europe"s largest street party.