CCTV footage has been released of the moment two masked robbers broke into a shop in Dunstable and threatened workers with knives.
The people forced their way into the Dunstable Food and Wine shop on the High Street on March 29 and demanded money.
They managed to get away with cigarettes and a mobile phone.
Police are keen to speak to the people captured in the video about the incident.
If anyone has any information, they are urged to contact DC Worden on 101 quoting reference number JD/12915/17.