Police are hunting for two masked men armed with knives who robbed a Kettering bookmakers.
The men entered the branch of Coral, Montagu Street, at about 9.30am on Monday, March 16.
CCTV footage, which has only been released today, shows that once inside they jumped over the counter before threatening staff with knives.
They then fled the building with money and headed off in the direction of Bath Road.
Witnesses, or anyone who recognises the men in the CCTV still, can call Northamptonshire Police on 101.
Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111.