THIS is the horror moment a car crashed into spectators with four people reportedly in a life-threatening condition.

The shocking scenes occurred at a drag racing event in Krosno, Poland.

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Footage posted by Polish outlet Remiza shows a green BMW on the start line.

But soon after pulling away in the quarter mile race, the driver loses control of the car.

The vehicle veers to the left before skidding in the opposite direction and heading towards a crowd of spectators.

At least 17 fans have been injured as a result of the accident.

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Four are said to be in a life-threatening condition, with 13 taken to hospital.

Ten medical rescue teams rushed to the airfield in Krosno to treat those injured.

Firefighters and an air ambulance crew from Krakow have also arrived at the scene.

The local fire service wrote on social media: "Nearly 30 firefighters (9 deputies) from the Krosno district fire department are providing assistance to the victims of an accident that occurred on the apron of the Krosno airport during a car race.

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"PRM rescuers and firefighters provided assistance to 14 people."

Polish media report there has been no fatalities so far.