Police are appealing for witnesses to a bank robbery in Exeter city centre on Monday 24 March.
Officers were called at 1.10pm after a man entered NatWest Bank on the High Street and demanded money from a cashier.
He claimed he was armed, although no weapon was seen, and he left the bank with a substantial amount of cash in a Sainsbury's carrier bag.
A number of police units, including dog handlers, were despatched to search for the suspect.
He is described as white, of medium build, in his late 40s, clean shaven, with medium-length black hair.
The male cashier was shaken but otherwise unharmed.
Detective Inspector Kevin Till, Exeter CID, said: “We are following up a number of lines of enquiry and urge anyone with information about the robbery to come forward.”
Anyone who witnessed the incident, or has any information that could assist with the investigation, is asked to call police on 101 quoting DE/14/2844, or alternatively call Crimestoppers anonymously on 0800 555 111.