Officers are appealing for witnesses after a man allegedly exposed himself to a 15-year-old girl in South Normanton.
On Tuesday, November 8, at around 8.20am a girl was walking to school along an alleyway that runs between Maple Close and Storthfield Way when she noticed a man stood to her left.
The man exposed himself to her and the girl carried on walking.
He was described as 5ft 9ins tall, of a slim build and was wearing a black coat with the hood worn up and camouflage trousers.
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Anyone with information is asked to contact PC Andrew Brooks on 101 quoting reference number 16000359265.
Alternatively, send him a message online by visiting the Contact Us section on www.derbyshire.police.uk/Contact-Us.
You can also call Crimestoppers on 0800 555 111.