A gang of teenagers stripped a 17-year-old of his clothes and attacked him in an alleyway in Oldham.
The 'harrowing and premeditated' attack happened off Featherstall Road North on June 21 this year, police said. Officers at GMP's Oldham CID found the group of teens had planned the attack and had taken weapons with them to the scene.
The victim had to go to hospital after the terrifying ambush. Four boys - all aged 17 - were arrested in connection with the incident.
