An investigation is underway into the cause of Sunday’s fire that damaged the historic Ozark Opry building in Osage Beach. The fire was first reported shortly after 11 a.m. by an Osage police officer When firefighters arrived, they found flames had burned through the front part of the roof, damaging the iconic Ozark Opry sign. Osage Beach Fire Protection District, Lake Ozark Fire Protection District, Eldon Fire Department and Mid County Fire Protection District all responded to the scene. It took them about two hours to get the fire in the attic under control. Firefighters cut through part of the metal roof to release smoke trapped inside the building. Despite heavy smoke and water damage, the building remains structurally sound, according to authorities. The Ozark Opry, a popular live entertainment venue for over 50 years, has been closed since 2005.