CLACKAMAS, Ore. – Firefighters rescued a man and his dog from a mobile home fire early Friday morning.

The fire started in a truck and spread to a trailer around 2:45 a.m., according to Clackamas Fire. It happened off Southeast 82nd Drive, near the intersection of Interstate 205 and Highway 224.

Firefighters said the man in the trailer did not know it was on fire because there was no smoke detector.

Crews got the man and his dog out safely. No one was hurt.

It’s unclear how the fire started.