Police are appealing for witnesses to a robbery at Subway in Queens Road, Brighton.
A man entered the premises with a broken glass bottle at about 7.25pm on Monday October 28 and demanded money from the till, said police.
The suspect is described by police as white, aged between 25 and 30, about 5’10”, of medium build, with short blond facial hair. He was wearing a navy puffer style jacket.
Officers said he got away with a small quantity of cash.
Forensics officers attended the scene and enquiries are ongoing.
Anyone with any information about the incident is asked to report it online or call 101, quoting serial 1189 of 28/10.