Saturday night around 6:30 p.m., a second gym roof collapsed at Montana State University. School officials had anticipated its failure, and the area was cleared so no one was injured. You can watch the collapse in the video below.

Early Thursday morning the roof of the south gym collapsed. It is believed that the buildup of snow on top of the flat roofs are the main cause of the roof failures, although school officials are not ruling out other causes.

Watch the video: