An explosion rocked the town of Bozeman in Minnesota on Thursday morning, causing at least three buildings to collapse and prompting the evacuation of a two-block area, officials said. Media reports said the explosion happened at about 8:15 a.m. The cause was not immediately identified, though there were suggestions it was a natural gas explosion. Crews were working to extinguish a fire caused by the explosion. Jason Shrauger with the Gallatin County Disaster and Emergency Services told the local media that it was unclear whether there were any casualties.
