— There were four young people in the car. One of the young people is seriously injured, says Daniel Kaissidis, officer on duty at the rescue service.
It is unclear what injuries the other three have.
The accident happened at 17.15 on Friday.
After the accident, train traffic between Nyköping and Kolmården is at a standstill, according to the Swedish Transport Administration. The stop affects traffic between Stockholm and Norrköping.