Police have released images of a man they wish to trace in connection with a robbery which took place on Wednesday, August 15, between 11am and 11.45am in Alexandra Road, Corby.
The victim had got a loan from the post office at the Co-op in Corby and was walking back along Alexandra Road when he was approached by a man who asked for a cigarette.
The victim said he did not have any, at which point the offender is believed to have demanded the money and threatened him.
A police spokesman said: “The victim ran across the Oasis retail car park, but was chased by the offender.
“Following a brief struggle, the offender is thought to have stolen a quantity of cash from the victim.”
The offender then ran off down an alleyway leading into the town centre.
Officer have released images of a man who they believe may be able to assist in the investigation and are urging him to come forward, or if anyone recognises him to make contact with the police.
Witnesses to this incident, or anyone with information about it, can call Northamptonshire Police on 101 or information can be given anonymously to Crimestoppers on 0800 555111.