Police are investigating after two boys were robbed at knifepoint by a gang of other boys in Grays.

Officers were called at around 5.45pm on yesterday with reports two 14 year-old boys had been approached by six other boys in the Delafield Open Space.

It was reported they were threatened with a knife and had their bikes stolen.

The group of boys are all described as black and in their late teens.

The boy with the knife has been described as around 6ft 5ins tall, black, muscular build with facial hair and wearing a black Northface coat and black trousers.

Another of the boys is described as 5ft 7ins tall, of muscular build, and wearing a black jumper with ‘Abode’ in white writing on.

A third member of the group has been described as having a bright blue lanyard on.

If you saw anything, have any CCTV or dash cam footage, or have any other information please call Essex Police on 101 quoting incident 1058 of 13 September or Crimestoppers anonymously on 0800 555 111.