A 13-year-old boy was left with facial injuries after being the victim of an "unprovoked physical attack" while walking home.
The incident happened last night about 8pm, say police.
Officers are now investigating the attack, which happened in Union Lane, Brampton, and are appealing for witnesses to come forward.
A police spokesman said: "An older male, who is also described as a juvenile, was riding a pedal cycle in the area and made of with another youth on bikes."
Following the incident a woman motorist stopped to check on the victim.
* Anyone with information is asked to contact police on 101 and speak to PC Rawes.
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