One person has died in a fiery crash in northern NSW this afternoon.

Emergency services were called to the intersection of Pacific Highway, Wotton Way, Coolongolook on the NSW Mid-North Coast, about 240 kilometres north of Sydney.

It is believed an SUV and a sedan collided shortly before 2.40pm, resulting in both going up in flames.

The blaze was extinguished by authorities but unfortunately a body was located inside the sedan.

It is yet to be formally identified.

The driver of the SUV, who is a woman in her 50s, was treated at the scene by paramedics before being airlifted to John Hunter Hospital in Newcastle.

She remained in a serious condition this evening.

A crime scene has been established as authorities investigate, including the Crash Investigation Unit.

Motorists were urged

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