Another person is being treated in hospital with life-threatening injuries.
A total of five young people were travelling in the car. The other three were also injured, one of whom was seriously injured, Region Skåne writes in its report.
It is a passenger car that collided with a tree or a pole at high speed, says Jimmy Olsson, duty officer at the rescue service, to Helsingborgs Dagblad.
The alarm came at 5:30 a.m. Sunday morning. Everyone in the car was taken to hospital and in the morning it was announced that one of them had died. All involved are young men.
The person suspected of being the driver of the car has been arrested, suspected of causing death, causing bodily harm and gross negligence in traffic, the police write on their website.
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