A teenager was repeatedly punched and kicked by three men after he cycled into an alleyway in Thatcham in the early hours of Monday morning.
At around 12.30am, the 19-year-old rode his bike into an alleyway close to the junction of Floral Way and Archangel Way, where three men were standing.
As he rode past them, he was grabbed from behind and punched and kicked multiple times, causing him to fall to the ground.
He suffered head and facial injuries and required hospital treatment as a result.
The offenders then ran way. Nothing was stolen.
Police have issued descriptions of the three men as they appeal for witnesses to come forward to find out what happened.
All three men were white. The first was around 23 or 24 years old, just under 6ft and muscular, and was wearing a dark grey hooded top and dark jeans.
The second was a similar age and height and wearing a black hooded top and jeans, while the third man was around 16-years-old, 5ft 5ins tall with dark hair, and wearing a dark hooded top and white trainers.
Anyone with information is asked to contact police on 101, quoting reference number 43170169289.