Police are appealing information after a shop in Mansfield town centre was robbed of up to £10,000.
The robbery took place at Cheapest Cigs in Town on Stockwell Gate at around 8.30am on Monday.
A man, described as being black skinned and aged between 20 and 30 and wearing a top with a hood up entered the shop at and made threats to the shopkeeper before fleeing with the money.
A police spokesman said: “A substantial amount of money was taken during this robbery and detectives are working to identify the man responsible.
“The robbery took place at a time when many people would have been heading to work.
“If you saw anything suspicious or a man matching this description then please call nottinghamshire police on 101.”
Anyone with information about this incident is asked to call Nottinghamshire Police on 101 quoting incident number 138 of 1 august 2016 or Crimestoppers anonymously on 0800 555 111.