A robbery was carried out at the petrol station in Main Road, Temple Cloud and an investigation to identify those responsible is ongoing.
Police were called shortly before 9 pm on Monday 18 September.
Two men were reported to have entered the store carrying weapons and made off with a quantity of cash in a grey Post Office bag. A third man was stood outside the shop at the time. The trio then ran off on foot in the direction of Paulmont Rise, Neither staff or the one customer in the store at the time were injured.
CCTV enquiries have been conducted and show three men the police wish to talk to in connection with this incident.
Anyone who can help the police with this investigation is asked to call 101 and quote reference number 5223227804. Alternatively, please call Crimestoppers anonymously on 0800 555111.