The Northern Territory Police Force are currently investigating a fatal crash that occurred near Katherine early this morning.

Around 6:30am, the Joint Emergency Services Communication Centre received reports of a two vehicle collision on the Victoria Highway, approximately 70km from Katherine. One vehicle was carrying four occupants, aged 63, 63, 70 and 76, while the second vehicle was carrying a single occupant, aged 25.

St John Ambulance, Police and the NT Fire and Rescue Service attended the scene.

A 76-year-old man was declared deceased at the scene. A 70-year-old woman, a 63-year-old woman and a 63-year-old man were conveyed to Katherine Hospital in critical condition.

The 25-year-old man was also conveyed to Katherine Hospital in a stable condition.

The Major Crash Investigation Unit are investigating and the Victoria Highway, between Delamere and the Vince Connolly Crossing, remains closed.

Police advise motorists to avoid the area as delays are expected to remain for the remainder of the day.

Police urge anyone with information to make contact on 131 444.

The lives lost on Territory roads now stands at 23.