Northern Territory Police are investigating after a fatal crash overnight near Ampilatwatja.

At around 10:30pm, police received reports of a single vehicle rollover on the Sandover Highway 10km west of the community.

A 47-year-old male was declared deceased at the scene with the remaining three occupants treated for minor injuries.

Detective Senior Sergeant Corey Borton said, “Detectives from the Major Crash Unit are investigating and a report will be prepared for the Coroner.”