One person unaccounted for . Three businesses destroyed in downtown Bozeman , Montana . - A tornado touches down near the town of Owatonna, Oklahoma and moves through central Oklahoma destroying homes and buildings. ( CNN ) -- It was not clear what triggered the blast .
One person unaccounted for . Three businesses destroyed in downtown Bozeman , Montana . - A tornado touches down near the town of Owatonna, Oklahoma and moves through central Oklahoma destroying homes and buildings. It was not clear what triggered the blast .