Two 15-year-old boys have been robbed at knife point.

The victims, both 15 year-old boys, were sitting with friends in Central Park, Chelmsford, near the skate park when they were approached by three males at around 2pm yesterday (Saturday, November 26) who started talking to them.

One the of males showed them his waistband and they have seen what is believed to be a knife.

The male then demanded a bag from one of the victims and a phone and coat from the other which they handed over.

The suspects then made off towards the city centre.

The main suspect is described as black, around 17 or 18 years-old and wearing an Armani pouch bag.

Officers say there were a lot of people in the area at that time and are looking for anyone with information to come forward.

Anyone with information is asked to contact Pc Alun Causaker at Chelmsford Police Station on 101 or Crimestoppers anonymously on 0800 555 111.