A GANG wielding a knife have attacked and robbed a man in Colchester.

The 20-year-old victim was walking through an alleyway near Hawthorn Avenue, Greenstead, at around 2am this morning when he was confronted by a gang of four men, three of whom were wearing hoodies and one had a knife.

He was threatened, had his Blackberry mobile phone stolen and was attacked by the men.

He sustained wounds to his face and hands and is being treated at Colchester General Hospital.

A 30-year-old man, from Colchester, has been arrested on suspicion of causing grievous bodily harm and theft.

He is being held in custody awaiting questioning.

Anyone with information call Colchester police on 101.