DETECTIVES are on the trail of a teenager who indecently exposed himself to a woman walking along a river path in Derry.
Police say the victim was walking near a supermarket at Strand Road at around 9.30 pm when she was confronted by the male youth.
He was described as aged between 16 and 18 with dark hair which was long at the front.
He was wearing a black t-shirt and grey tracksuit bottoms.
The teen flasher then moved off towards a seat on the pier and put on a short jacket with a blue band on it.
Detectives at Strand Road have asked anyone who was in the area at the time and can help identify the youth to contact them on the 101 non-emergency number.
Information can be given on the police non-emergency number, 101, or by calling the Crimestoppers Charity anonymously on 0800 555 111.