Washington State Trooper Mark Francis speaks to the media at the Cascade Mall following reports of an active shooter in Burlington, Washington. REUTERS/Matt Mills McKnight

Washington State Trooper Mark Francis speaks to the media at the Cascade Mall following reports of an active shooter in Burlington, Washington. REUTERS/Matt Mills McKnight

Washington State Trooper Mark Francis speaks to the media at the Cascade Mall following reports of an active shooter in Burlington, Washington. REUTERS/Matt Mills McKnight

September 24, 2016 12:27 PM (UTC+8)