flames. burning through a neighborhood near san bernardino, california. evacs ontiune ar there were one that school children were sheltering in place. abc's kayna whit worth with what we know so far. >> reporter: out of control wildfire raging in a neighborhood east of los angeles. >> 500 acres up in flames and numerous medical emergencies inside the mobile home park. >> reporter: firefighters on the ground in a house to house all-out war to save homes. >> that is just a tough thing to watch, those flames just so absolutely overpowering. >> reporter: mandatory evacuations ordered, but a students at a nearby school forced to shelter i then rushed to another school out of harm's way. the fire threatening railways and the power grid. first responders racing to clear