Boy found with severe injuries on Älvbron.
It is a passerby who encounters the boy in the middle of the bridge.
The boy, who is 17 years old, is taken away by ambulance to the hospital. He was not conscious.
What has happened to the boy is still being investigated and the police are eager for tips from the public. Do you know more about what has happened, or have you seen something, call the police on 114 14.