Video: Explosion at Maine Lumber Mill Triggers Mass Casualty Response

Emergency crews launched a mass casualty response Friday after an explosion rocked a lumber mill in Searsmont, Maine. Authorities rushed multiple ambulances and rescue teams to the scene as officials worked to assess the number of injuries and the extent of the damage.

The cause of the blast has not yet been confirmed, and local authorities have urged residents to avoid the area while emergency operations continue. Further details are expected as the situation develops.