A Derbyshire police dog has been praised for tracing a suspect in an armed robbery case.
Police were called to the Premier store at around 10.30pm last night (Wednesday, December 21) following reports that a man had robbed the shopkeeper at knifepoint as he left for the night.
A man approached him as he left the shop, on Sheffield Road, Whittington Moor and threatened him, punching him in the face before taking cash from him.
Officers, including a dog unit, were sent to the scene. The dog tracked a scent and a man was arrested nearby.
The 34-year-old remains in custody and is being questioned.
Witnesses or anyone with information should call police on 101, quoting reference 16000427005.
You can also call Crimestoppers on 0800 555 111.