A helicopter dumps water on a wildfire in the U.S. state of California.<br/> <br />The flames in Riverside County have burned 150 acres of land and forced residents to flee.<br/> <br />About 200 firefighters are working to combat the blaze that may have ignited in the city of Jerupa Valley.<br/> <br />The cause of the fire is under investigation.<br/> <br />No injuries have been reported so far.
