A man has been flown to Royal Darwin Hospital for treatment after a serious assault at Dundee Beach late last night.

Shortly after 11pm the Joint Emergency Services Communications Centre received a report of an alleged assault on a 55-year-old man by a group of people after a minor vehicle crash. Alcohol is believed to be a factor in the crash.

As a result of the alleged assault, the victim suffered serious injuries to his face.

General Duties police, St John Ambulance and a CareFlight helicopter attended the scene before the man was flown to RDH where he underwent surgery.

A crime scene was declared, and investigations are ongoing.

The offenders remain outstanding, and police urge anyone with information to contact police on 131 444 and quote reference P25166318. Anonymous reports can be made through Crime Stoppers on 1800 333 000 or online via https://crimestoppersnt.com.au/.