Classes were canceled after the gym's roof at North Medford High School collapsed ... According to the school's website, a crack in one of the gym's trusses was discovered Friday afternoon.

Classes were canceled after the gym's roof at North Medford High School collapsed ... According to the school's website, a crack in one of the gym's trusses was discovered Friday afternoon.

The roof of a Medford school ... No one was hurt in the collapse. The gym had been cordoned off since Friday evening after someone saw a crack in one of the trusses in the north gym.