According to the rescue service, six people have been injured, one of them seriously, after they were thrown onto the rocks when their rib boat collided with a skerry or rock, writes Aftonbladet.
The people involved are between 18 and 19 years old.
According to Göteborgs-Posten, one person has been taken to hospital by ambulance helicopter. A further five people have been taken to hospital by ambulance.
The incident is being investigated as gross drunkenness and gross negligence in maritime traffic, writes Aftonbladet.
