NEW : Winds making the firelines difficult to hold , officials say . NEW : Jeff Davis County officials ordered voluntary evacuations , but residents have not left some neighborhoods , Texas Forest Service spokeswoman April Saginor said . Fires are burning in a wide arc from east of San Diego County through Orange and Riverside counties. Some residents remain at threatened homes despite evacuation order . 250 firefighters , including teams from Arizona , Nevada and Georgia , are on the scene .
NEW : Winds making the firelines difficult to hold , officials say . NEW : Fires are burning in a wide arc from east of San Diego County through Orange and Riverside counties. Some residents remain at threatened homes despite evacuation order . 250 firefighters , including teams from Arizona , Nevada and Georgia , are on the scene .