Police are looking for a suspect who threatened staff at a Lincoln bookmakers with a knife before making off with cash.
The robbery happened at the Coral bookmakers on Boultham Park Road just before 9pm on March 24.
Police say no one was injured.
The suspect is described as white, 5’10 approximately, skinny build, wearing a dark parker coat, blue and white trainers and some sort of mask covering his mouth and nose.
Anyone with information should call 101 with incident reference number 437 of March 24.