Local officials are investigating a fire and explosions that erupted at Tom Thumb Mini Storage in Roseburg, Ore., on Sunday evening. Crews arrived at 3221 N.W. Edenbower Blvd. just after 7 p.m. to find billowing smoke and several units ablaze, according to sources.

Firefighters worked through the evening to extinguish the conflagration, then returned Monday morning after a report of smoke and possible rekindling. Crews were able to extinguish it quickly, the sources reported.

The cause of the disaster is still under investigation. The storage building suffered significant damage, with at least a dozen units affected. The total loss of the structure and contents has yet to be determined, said Monte Bryan, fire marshal for the Roseburg Fire Department, which responded along with other agencies.

Tom Thumb Mini-Storage is open daily and contains more than 600 units. It also offers vehicle storage and large-truck access.

Sources:
KMTR, Fire Causes 'Substantial' Damage to Storage Units in Roseburg
KQEN, Explosions/Fire at Mini-Storage Facility