The alarm came at 10.30 pm on Thursday evening.

- He was awake and talkable when he was found, says Göran Carlbom, officer on duty at the police.

Police have cordoned off the site pending a technical investigation and collected witness information from people who were in the area

- Now we are in the process of forming an opinion about what happened, says Göran Carlbom.

No person has been arrested.