One person was detained Tuesday in connection with a trailer fire in the Midway District, San Diego Fire-Rescue officials said.
Firefighters were called to Sports Arena Boulevard and East Drive just after 4:30 a.m. A fire was reported outside the Salvation Army Family Thrift Store and activated the sprinkler system inside the building.
In an hour, fire crews had knocked down the fire. They will be on scene for several hours cleaning up.
San Diego Police say they have one person detained in connection with the fire. Transients were near the trailer when the fire started, officials said.