Detectives have released an image of a man they believe was involved in the armed robbery of a bank in Cleveleys.
Three masked men attacked two G4S guards as they took money into the Cleveleys Santander branch, on Victoria Road West in October.
One of the men was armed with a sledgehammer which he used to threaten the guards and push past them.
A second man was holding a Stihl saw.
Police have now released the image of a passenger who was seen getting out of a silver BMW and depositing cash boxes on a private driveway in Carleton, shortly after the horrifying robbery on October 10 at 6.50pm.
He is described as a white man, skinny build, 5ft11ins tall, stubbled and in his late 20s. He was wearing a grey coloured hoodie type top. The driver was also white and appeared to be of bigger build with short hair.
The car was last seen in the vicinity of Gerrards Gardens, Poulton, around 7.30pm.
Det Sgt Kathryn Riley said: “I would urge people to take a close look at the Evofit and if anybody thinks they recognise this man please call us.
“Our investigation is continuing and I would still appeal to anybody that may have witnessed either the robbery itself or the offenders leaving the scene to contact police.
“Any piece of information, no matter how small could be crucial to the investigation so please come forward if you think you can help.”
Three men took four cash cartridges from the bank and fled in a white Seat Leon, registration number YP60NWG, which was later found abandoned on Ellerbeck Road close to Admiral Sounds, Cleveleys, The gang switched to the BMW.
Witnesses have described two of the men as being around 5ft7ins tall and of stocky build.
One of the men was wearing a black balaclava mask and a white or light coloured hoodie type top.
Call Lancashire Police on 101 with information.