Police are investigating a sex attack on a woman in Co Derry.
The victim - who is in her 20s - was attacked in an alleyway near the Catherine Street area of Limavady after 2am on Sunday morning.
Detectives from the Rape Crime Unit who have appealed for information are hunting for a male aged in his 20s or younger.
The suspect is described as approximately 5ft 9in or 5ft 10in tall, with short brown, spiky hair.
He was wearing a blue shirt with the sleeves rolled up, narrow-legged cream chinos and he had a rubber charity band on his right arm.
Anyone who witnessed the attack or who knows the man is asked to contact police on 0845 600 8000.
The public can also provide information anonymously to the independent charity Crimestoppers on 0800 555 111.