Footage shows woman being hit with gas canister at Notting Hill Carnival

Police have released footage showing the moment a 19-year-old bystander was “very seriously” injured when she was hit on the head with a gas canister and beaten to the ground during the Notting Hill Carnival.Two groups of young men, mostly hooded, became involved a violent fight in Ladbroke Grove, west London, just after 7pm on Monday August 29.The “completely innocent” teenager, who had been standing at the scene, was struck on the head with a gas canister and then kicked and punched.