A 13-year-old girl has lost several teeth and was knocked unconscious after being hit in the face with a brick in west Belfast.
She was sitting with friends in a playpark in Moyard Park shortly after midnight on Saturday when they were attacked by a group of youths.
The attackers threw stones and bricks at the teenagers. The girl was taken to hospital and needed 14 stitches.
Police said a possible sectarian motive is being investigated.