Police are investigating after an armed robbery at a Stoke-on-Trent petrol station in the early hours of Wednesday May 1.
The raider approached a man working alone at Mossfield Petrol Station in Bentilee at around 3am and demanded cash from the till.
The worker handed over the money and the robber fled on foot.
A Staffordshire Police spokesman said: “Staffordshire Police is appealing for help following a robbery involving a knife at a petrol station in Stoke-on-Trent during the early hours of this morning.
“The suspect’s face was covered and he is believed to have been wearing a green hoodie, jeans and trainers.
“Anyone with any information is asked to ring 101 quoting incident 50 of May 1.”