A fire devastated the Kehlsteinhaus in Berchtesgaden, a former Nazi-era guesthouse referred to as the Eagle's Nest. German authorities detained a suspect after the incident. The building, connected to Hitler's Obersalzberg, was severely damaged in the blaze. The arrest was made following reports of the fire, which damaged the historic retreat. The incident has created apprehensions over the preservation of sites associated with the Nazi regime.