On Österleden at the height of Ramlösa outside Helsingborg, two cars collided according to the SOS alarm.
The alarm came at 18:37 and both the police and the ambulance and rescue service were sent to the scene.
- Three people have received serious injuries, a total of six people are involved in the accident.
All have been taken to hospital.
The accident is believed to have happened at a fairly high speed, we will investigate to be able to establish how the accident happened and at what high speed, Filip Anna police spokesman.
The road has been closed in both directions during work on the site, which is causing traffic disruptions.
During the evening, the police questioned witnesses.
A report of gross negligence in traffic has been made.