STOCKHOLM, Oct 6 (Reuters) - A man wanted in connection with an explosion in the Swedish city of Gothenburg last week has been found dead, the Prosecution Authority said on Wednesday. Four people were seriously hurt in the explosion and subsequent fire on Sept. 28. [nL8N2QU153 The body of a man was found in the water in Gothenburg early on Wednesday, the Prosecution Authority said in a statement. "The body has been identified as the man who has been wanted by police and the Prosecution Authority the past week following the explosion in a residential building in Annedal," it said. At least 16 people were taken to hospital after the early morning blast last week set an apartment building ablaze in central Gothenburg. Police have been investigating whether an explosive device was placed at the scene. Reporting by Helena Soderpalm and Simon Johnson; editing by Niklas Pollard