A 14-year-old girl has been seriously injured after a substance, believed to be acidic, was thrown at her and two others at a school in west London.
Metropolitan Police officers were flagged down by a member of staff after the incident at the school on Alfred Road, Westbourne Park, at about 16:40 BST on Monday.
The girl remains in hospital with potentially life-changing injuries.
A boy aged 16 remains in hospital with non life-changing injuries, and a woman aged 27 has been sent home from hospital after also sustaining injuries in the attack.
