At around 2.55am on Friday 18 September 2015, a taxi driver picked up four people outside Tesco, Greenfield in Saddleworth. They asked him to take them to High Street in Lees and as they got to Oldham Road, Springhead, one of them told him to stop the car.
When he did, all four got out and one of them threatened the driver with a kitchen knife. He demanded money but the victim was able to drive off.
It is believed the men ran off onto Ivy Green Way before going out of sight.
The man with the knife is described as being white, 5ft 7 – 5ft 8 tall, of slim build, stubble, thin long face, and had light coloured hair which was short all over. He wore a dark blue jumper, dark blue tracksuit bottoms and a black sleeveless bomber jacket with a thick collar and black trainers with three white stripes on the side.
The front seat passenger is described as being white, in his late teens, 5ft 8in tall, of medium build with broad shoulders, wore a green sweat shirt, blue jeans and white trainers.
Detective Constable Adam Frank said: “Thankfully, the victim had his car in gear and was able to drive off before he was harmed. Although we do not know what two of the men looked like, we do have very detailed descriptions of the front seat passenger who wanted the car stopped and the man who was holding the knife.
“I would appeal to anyone who may have witnessed these men running across Oldham Road, onto Ivy Green Way to call us as soon as possible.”
Anyone with information should phone police on 0161 856 8850 or the independent charity Crimestoppers, anonymously, on 0800 555 111.