 The fire continued to burn throughout the day.On March 31, 2011, after 12 weeks of investigation, the Provo City Fire Department released its findings and conclusion to the Provo Tabernacle Fire.The report states "The most probable proximate cause of the fire at the Tabernacle December 17, 2010 is a heat source, specifically an energized 300-watt lamp, which was placed too close to combustible materials, specifically a wooden speaker enclosure."