A motorcyclist pushed over a fellow rider in east Hull and took off on the victim's bike.
Humberside Police are appealing for information following the robbery which took place at 10.50pm on Friday.
The victim was sitting astride his red and white Honda Cub 90 motorcycle on Holm Garth Drive, Bellfield Avenue, Hull when another motorcyclist pulled up in front of him.
He dismounted the motorcycle, believed to be a stolen Peugeot motorcycle, and began speaking to the rider of the Honda.
The Honda rider was then struck in the face by the other motorcyclist and fell from his cycle, losing consciousness briefly.
He came round to see his attacker riding off on his Honda motorcycle, leaving the Peugeot motorcycle at the scene.
The victim sustained a grazed cheek and a chipped tooth but did not require hospital treatment.
The thief is described as being between 20 and 25 years of age, around 6ft tall and of medium build.
He was wearing a blue and black full face motorcycle helmet, a dark coloured jacket and black Adidas tracksuit bottoms.
Anyone with information is asked to contact Humberside Police on the non emergency number 101.
Humberside Police are appealing for information following the robbery which took place at 10.50pm on Friday.
The victim was sitting astride his red and white Honda Cub 90 motorcycle on Holm Garth Drive, Bellfield Avenue, Hull when another motorcyclist pulled up in front of him.
He dismounted the motorcycle, believed to be a stolen Peugeot motorcycle, and began speaking to the rider of the Honda.
The Honda rider was then struck in the face by the other motorcyclist and fell from his cycle, losing consciousness briefly.
He came round to see his attacker riding off on his Honda motorcycle, leaving the Peugeot motorcycle at the scene.
The victim sustained a grazed cheek and a chipped tooth but did not require hospital treatment.
The thief is described as being between 20 and 25 years of age, around 6ft tall and of medium build.
He was wearing a blue and black full face motorcycle helmet, a dark coloured jacket and black Adidas tracksuit bottoms.
Anyone with information is asked to contact Humberside Police on the non emergency number 101.
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