A man in his 40s from Oslo is presumed dead after his boat capsized in a fishing lake in Sør-Aurdal, Valdres. The incident occurred during the night, leading to a comprehensive rescue operation. Search efforts involved the Civil Defense, the fire department, and organized volunteers who searched both the water and surrounding terrain. Aerial support was provided by the Norwegian Air Ambulance and the SAR Queen rescue helicopter. Following the extensive search, the rescue operation has been officially concluded. Police have notified the next of kin. Authorities are now focusing on planning the recovery of the presumed deceased.