A man exposed himself to a woman on a footpath.
Police are appealing for information after the man was seen by a 40-year-old woman walking along a footpath between Downlands and Wikeley Way, Brimington at around 6.30am on Tuesday.
The man is described as white, around 6ft tall, with a bald or shaved head.
He was wearing blue jeans.
Officers are investigating and are appealing for information.
Call Derbyshire police on 101.