POLICE are hunting for a man who sexually assaulted a woman in an alleyway.

The woman was attacked in the alleyway off Cotman Road, Colchester, in the early hours of Sunday morning.

Essex Police says it is hunting a man described as white and aged between 18 and 25, of medium to stocky build, clean shaven and with shoulder-length mousey brown hair.

The force has urged residents in the Prettygate area to remain vigilant when going about their daily business.

Gazette: Incident - the junction of Cotman Road and Van Dyck Road, ColchesterIncident - the junction of Cotman Road and Van Dyck Road, Colchester

Forensic investigators were at the scene throughout Sunday and a cordon was put in place on the green on neighbouring Van Dyck Road near Philip Morant School and College.

The reported incident has left the community reeling as police officers continue their probe to determine what happened at about 4am.

READ MORE >> Developers behind major 9,000 home housing project celebrate 'milestone moment'

“It’s a very sad incident and, of course, I was very shocked to hear what had allegedly happened,” said Prettygate councillor Sue Lissimore, who has lived in the ward for 32 years.

“Prettygate is an incredibly safe place to live and work and all residents’ thoughts will be going out to everyone involved.

Gazette: Concerned - Sue LissimoreConcerned - Sue Lissimore (Image: Newsquest)

“When you look at the crime figures, this area is one of the safest places to live in the Colchester borough.”

Mrs Lissimore implored anyone with any information to step forward and help the police’s investigation, adding: “People are very concerned about what was happening”.

Essex Police stated the man they are hunting was wearing a dark green long-sleeved top, green camouflage trousers and white trainers at the time.

The complainant is being supported by specialist officers and staff while inquiries continue.

Gazette: Scene - the alleyway where the incident is suspected to have taken placeScene - the alleyway where the incident is suspected to have taken place

A spokesman for the force said: “We need anyone who was in the area and saw anything or has any CCTV, dash cam or doorbell footage to contact us.

“We’re advising people in the area to be vigilant but to continue going about their daily business.

“If you have any information please contact us quoting the crime reference number 42/230156/22.”

Anyone with information should call the police on 101 or submit an anonymous report via Crimestoppers.