A man has been arrested on suspicion of raping a woman in a nightclub toilet cubicle in East Sussex.
Officers said a woman was attacked in the female toilets at Bliss nightclub in London Road, East Grinstead, during the early hours of Sunday.
Sussex Police said three women in an adjoining cubicle may have witnessed the attack.
A 26-year-old man from Uckfield was arrested at 0230 BST at the nightclub. He has been bailed until 4 July.
Police said the victim and her friend met two men earlier in the evening elsewhere in the town and went to the nightclub together at 0100 BST.