Two men and a woman have reported to be dead in a horrific head-on crash in the NSW Hunter region. One man remains in a critical condition.

The Car identified as a Kia and a utility collided on Bengalla Road at Muswellbrook just before 9.30pm on Sunday.

The 30-year-old male utility driver and the male driver and a female passenger of the Kia Carnival died at the scene.

Another passenger in the Kia car, a man who looked to be in his 60s, was airlifted to John Hunter Hospital with life-threatening injuries.

The Police has established a crime scene and an investigation into the circumstances around the crash is underway.

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