An e-fit has been released of one of the men thought to have robbed High Wycombe's Coral bookmakers at gunpoint, prompting the betting firm to stake a £10,000 reward for information leading to their capture.

The robbery happened on Thursday, December 15 at around 5pm, when three men walked into Coral in New Road.

One put a balaclava on and pulled out a gun, which he put on the front counter before threatening a member of staff.

A second man then jumped over the counter and stole an undisclosed amount of cash from the safe, before all three men left the shop and made off on foot along Cressex Road, possibly in the direction of Booker Airfield.

The e-fit is of the man who jumped over the counter. He was 5ft 9in tall, slim and wearing a black jacket, dark blue tracksuit bottoms, white trainers, a black woollen beanie hat with a dark blue band and black leather gloves.

All three offenders were black.

The man who carried the gun is described as 5ft 7in tall, of slender build and was wearing a cream jacket and leather gloves.

There is no description of the third offender.