Firefighters are working to determine what caused a deadly motor home fire at a parking lot in Oceanside overnight.
The fire erupted at about 1:10 a.m. in the parking lot of a Walmart store on Marron Road, just south of State Route 78, Oceanside Fire Department (OFD) Battalion Chief Greg deAvila said.
Firefighters quickly arrived on scene, but the motor home was several hundred feet from any fire hydrant, deAvila said. OFD quickly called the Vista Fire Department and the Carlsbad Fire Department for backup.
DeAvila said until flames could be subdued, firefighters were unable to get inside the motor home, so it was, at first, hard for crews to determine if there was anyone inside.