Gunpoint robbery in Gloucester

A 17-year-old boy was held at gunpoint in Gloucester yesterday.
The teenager was approached by three offenders on Sweetbriar Street at around 7pm on Wednesday.
One of the offenders held a firearm, described as a handgun but possibly imitation, to the boy's head and asked for his phone.
The victim handed over his Blackberry Bold mobile phone before all the offenders ran off in the direction of Alvin Street.
All the offenders are described as male youths.
The main offender is described as white, of slim build, 5ft 11ins tall, around 18 years old and with short, dark brown hair. He was wearing a black hoody with the hood up, black tracksuit trousers and a snood over his face.
The second offender is described as white, around 15 years old,  5ft 6ins tall, skinny and wearing a dark hoody with the hood up and a dark gilet jacket over the top of that.
The third offender is described as 5ft 8ins tall and wearing a white hoody with the hood up.
Anyone who can help is urged to call police on 101, quoting incident 420 of December 12.
Alternatively information can also be given anonymously on 0800 555 111, or via www.crimestoppers-uk.org.
In some cases Crimestoppers offer rewards of up to £1000 where information leads to a conviction.