– Statement from Coral bookmakers
"This was an incredibly nasty incident and the staff were very shaken but fortunately unharmed, which is our number one priority.
"We will be offering them any assistance and any support they require after this terrible incident.
"We are also working with the police and hopefully witnesses will come forward to help catch these people."
CCTV images have been released after armed robbers threatened staff at a Cambridge bookmakers with a handgun and machete.