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