Police in Trondheim, Norway, were alerted early Wednesday morning to a possible drowning. A man in his twenties was reported to have gone under while swimming. Emergency services responded to the scene, but the man was pronounced dead. The circumstances surrounding the incident are currently under investigation by authorities. No further details regarding the location or specific events leading to the drowning have been released at this time. Police have initiated standard procedures to determine the cause and manner of death. The incident occurred overnight, prompting the early morning emergency response.