Police are appealing for witnesses after a teenager was allegedly threatened with a knife and robbed in the centre of Ipswich.

Officers were called to reports a man had stolen a 15-year-old boy’s bike in Princes Street yesterday evening.

The incident, which police believe involved the boy being stopped and shouted at by an unknown man who later pulled out a knife, is believed to have happened between 7.45pm and 8pm.

A police spokesman said: “We were called yesterday, Sunday February 4, following reports of a robbery in Ipswich.

“Between the hours of 7.45pm and 8pm, a 15-year-old boy, who was cycling in Princes Street, Ipswich, was approached and shouted at to stop by an unknown man.

“The man is then alleged to have pulled out a knife before threatening the boy if he didn’t give him his bike, while they were outside Zak’s car wash, in the same street.

They added: “The boy dropped the bike to the floor and the man is said to have picked it up and cycled in the direction of Ipswich railway station.

“Officers would be keen to speak to anyone who witnessed the incident or may have seen a bright orange, Carrera men’s mountain bike in and around the times stated.

Anyone with any information about the incident should contact Ipswich CID on 101 quoting reference 6815/18.