A "gaunt" armed robber was chased out of a grocery shop by an angry customer.
The thief, who was wearing a hood and had a scarf tied around his face, made off with a three-figure sum of money in the robbery in Renfewshire.
Police said the 23-year-old man who was targeted by the robber had been left shaken but uninjured in the hold-up.
A customer, aged 57, chased the thief out of Seedhill Convenience Store in Paisley’s Seedihill Road at around 1.30pm on Sunday.
Officers stressed that they believe the robbery was not connected to the murder of shopkeeper Javaid Ali in the town on June 15.
Detective Constable Iain Hamilton from Paisley CID said: "Firstly I would like to reassure the public that there is no connection with the incident at the Sunshine Grocers in Paisley on 15 June.
"We are conducting door to door enquiries and checking CCTV to identify the man responsible for the robbery who made off with a three figure sum in cash.
"From information we have so far we know that the man was hanging around outside the area of the shop before the robbery and I would ask anyone who saw a man matching this description or saw someone running away from the shop to contact me as soon as possible."
The robber was chased from the shop along Ralston Street into Anchor Drive and continued towards the Linside Avenue Estate where he was last seen. He is described as around 5ft 6in with a "skinny build and a gaunt face". At the time of the robbery he was wearing a dark jacket with the hood up and a "Burberry-style" scarf around his face.
Anyone with information relating to the armed robbery should contact Paisley Police Office on 0141 532 5900.
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