Detectives in Calderdale are appealing for information to trace four men involved in a robbery in Carr House Road, Shelf, which took place on Thursday.
Four men are believed to have been involved in the incident which occurred shortly after 4pm.
Two of the men entered the shop, with one of them carrying what was thought to be a weapon and threatened staff. The suspects are believed to have left in pairs in opposite directions.
Detectives have released CCTV images of two of the men they would like to trace.
The suspects are described as being white and around 17-18 years of age. One of the suspect's was of medium build, 5ft 7in tall, with light shaven hair and was possibly wearing a baseball cap and dark coloured hooded top with matching bottoms. The second was of similar height and build.
Suspects three and four are believed to have waited outside and were both described as being 6ft tall. Suspect three had short hair and was of medium build, while suspect four was described as being of large build and was wearing a hooded top.
Detective Constable Anil Seepujak, of Calderdale CID, said: "Although nobody was injured, the victims will undoubtedly have been frightened and fearing for their personal safety.”
"We are keen to trace these men and anyone who has any information as to their identity is asked to call the police on 101."

Two Brothers Jailed for Raping 12-Year-Old Girl in Bradford
Building at Bradford Royal Infirmary Renamed in Honour of Renowned Surgeon
Airedale Nurse Shortlisted for National Neonatal Award
Sowerby Bridge’s New Community Hub Opens to Praise
Bradford Council Offers Compromise on Ilkley Parking Plans
Manningham Housing Association Shortlisted for Three National Awards
Bradford University Staff to Strike Over Job Cuts
Bradford NHS Teams Shortlisted for National ‘Healthcare Oscars’
Halifax Leisure Centre Project Breaks Ground
Brighouse Parklets Find New Homes in Rastrick
Remix Saturdays
The Golden Era
Alim OnAir
Legal Show