A teenage boy suffered minor injuries when robbers stole his mobile phone in Hulton Road, Gaywood.
The attack happened at between 2.15am and 3am on Friday as the victim, in his late teens, was walking in Hulton Road having come from the cycle path near KES High School.
He was approached by two males who asked to borrow his mobile phone, and iPhone 5C, which he provided. One male then hit the victim on the back of the head before leaving towards the cycle path. The offenders were both wearing hoodies and aged between 15 to 16.
Anyone with information is asked to contact PC Stephen Carter at Lynn Police Station on 101 or call Crimestoppers anonymously on 0800 555 111.