Detectives are hunting an armed robber who held up a nightclub in Derby.
The man, wearing a hooded pullover and carrying a knife, forced his way into the Heroes nightclub on Colyear Street.
He then demanded money and fled with a substantial amount of cash via a back door into Macklin Street. He is described as white and about 6ft tall.
Police want to speak to anyone who was in the area at the time or who saw the incident which happened between 1850 and 1930 GMT on Sunday.
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