Overview

• One man, 45, died at the scene and a 49-year-old was flown to a specialist clinic with gunshot wounds to the chest and arm.
• Investigators say the motive remains unclear, with reports pointing to a dispute linked to a construction site at the house.
• Authorities warn the suspect may be armed, advise against any contact, and are seeking information on his whereabouts.
• Police detained a 40-year-old woman at the scene as a possible participant, and her role is still being examined.
• Hagen police set up a homicide commission and, with the Arnsberg prosecutor, are conducting an intensive manhunt and evidence gathering.