Wildfire forces evacuation of campus, homes in Southern Calif.

A wildfire raging along the fringes of Southern California communities has grown to more than 10 square miles.

Ventura County Fire Department spokeswoman Myrna Pinon said  the blaze that broke out Thursday morning near Camarillo and Thousand Oaks has spread over 6,500 acres.

Nearly 600 firefighters are at the scene battling flames.

The blaze 50 miles west of Los Angeles has forced evacuations of neighborhoods and California State University, Channel Islands.   An RV park was overrun by the fire on Thursday, KABC TV reported.

Authorities urged residents who were in evacuation zones to heed orders and leave immediately.