Northern Territory Police are calling for witnesses to a crash in which one person has died and two others have been injured during the Finke Desert Race earlier today.

At 9:38am police received a report of a group of spectators being struck by a vehicle racing the Finke Desert Race track, 35km from the start/finish line.

A male spectator aged in his 50s was seriously injured as a result of the crash and medevaced to the Alice Springs Hospital, and the navigator of the vehicle, a woman aged in her 50s, received minor injuries.

Another man in his 60s who was a spectator at the event and was struck by the vehicle has died at the scene. No further information is available in relation to the person at this stage.

The area has been cordoned off and competitors have been diverted from the area, which has been declared a crime scene.

Police are investigating the circumstances surrounding the cause of the incident and calling for any spectators who may have witnessed the incident, or have dash cam or video footage – to contact police immediately on 131 444.