A pervert exposed himself to a teenage girl in an alleyway close to Ripley Academy.
The incident happened at around 8.30am on Thursday April 30 as the student was walking to school.
A spokesperson for Derbyshire Police said: “The student was walking up the path, which runs from Mill Hill Close to Steam Mill Lane, and he walked past her in the opposite direction He shouted ‘Oi’ and when she turned round he exposed himself.”
The man is described as white, 6ft tall, slim, with short dark brown hair, described as ‘flat.’ He was in his late 20s or early 30s and was wearing dark blue tracksuit bottoms, which were dirty, and a stained long sleeved white jumper with a hood.
Anyone with information should call Derbyshire Police on 101.