AVONDALE, Ariz. -- An Avondale family is displaced after a fire destroyed their mobile home Sunday.Avondale Fire Battalion Chief Ben Avitia said the mobile home near Litchfield and Lower Buckeye roads was fully involved when firefighters arrived.They made sure no one was inside the home and used a defensive strategy to protect the nearby trailers."Most of the time they spread very quickly, so they become defensive fires," Avitia said of mobile home fires.He said the fire is still under investigation but may have been caused by an electrical problem."The family noted fire in the walls and popping, and fire extended out," he said.The family tried using a fire extinguisher but evacuated when it was unsuccessful.Maria Rascon said she lived at the home with her son, daughter and three grandchildren.She said she and her granddaughter had been at church for about five minutes when her daughter called to say their mobile home was on fire."I came running and by the time I got here, most of it was gone," she said.Rascon said she is just glad everyone is OK."The house is replaceable. Everything that's in the house is replaceable, but our lives are not," she said.