A GROUP of men were sprayed with an "unknown substance" before a stabbing in Clacton.

The incident happened in Old Road, near the junction of St Andrews Avenue, at around 1.30am on Monday, July 24.

A spokesman for Essex Police said: "A group of men in a silver vehicle had attacked a group of people in a black Volkswagen, spraying them with an unknown substance.

"Subsequently, a man in his 30s, who was on a bike, was stabbed in the buttock by one of the people in the silver vehicle."

Anyone with any information is asked to contact Det Sgt Dan Jeffries at Clacton CID on 101 or Crimestoppers anonymously on 0800 555 111.