Three robbers armed with knives told a man to hand over his phone as they threatened him on a Norwich street.

Police are appealing for witnesses to theft which happened on Exeter Street, off Dereham Road, at about 11.55pm on Sunday. The victim had been walking to a friend's house when he spotted a man tying his shoelaces beside a tree next to the Ferndale Business Centre.

As he approached, the man pulled out a knife. The victim suffered a cut to his hand as he tried to defend himself. Another two men, also with knives, then appeared from around a corner, and demanded his phone

The victim gave them his two phones and the three suspects ran off along Exeter Street and turned left into Orchard Street.

One of the robbers was described as white with large black bushy eyebrows, 5ft 7in to 5ft 8in tall, of slim build and aged 17 or 18. He was wearing a black coat with the hood up, a black scarf with a white pattern on it, and black trainers.

Anyone with information should call DC David Walker at Bethel Street station on 0845 4564567 or Crimestoppers on 0800 555111.