A wind-driven wildfire burned 200 acres of brush, torching an industrial yard where stacks of pallets exploded in flames, threatening as many as 100 homes. (Irfan Khan / LAT)
Intense heat obscures water fdropping helicopter. More than 150 firefighters moved in with trucks on the ground and planes and helicopters flew over the blaze with water drops. (Irfan Khan / LAT)
Flames in the Rialto-Fontana area burned dangerously close to homes, prompting officials to call for voluntary evacuations. (Irfan Khan / LAT)
More than 150 firefighters moved in with trucks on the ground and planes and helicopters flew over the blaze in the Rialto-Fontana area with water drops. (Irfan Khan / LAT)
A brush fire in the Rialto-Fontana area burned 200 acres and set an industrial yard ablaze. (Irfan Khan / LAT)
A wildfire jumped into an industrial yard and ignited stacks of pallets, fueling a blaze that threatened as many as 100 homes. (Irfan Khan / LAT)
Intense heat obscures a firefighting helicopter as it attacks a blaze that burned 200 acres in the Rialto-Fontana. (Irfan Khan / LAT)
Firefighters spray water from Sierra Ave. to protect hundreds of homes that would be threatened if the wind-fueled wildfire crossed this street. (Karen Tapia-Andersen / LAT)
A San Bernardino firefighter sprays water into a building in an industrial yard where stacks of wooden pallets were stored. (Karen Tapia-Andersen / LAT)
Firefighter Chris Keith gets help from a helicopter making a water drop at the Industrial yard where stacks of wooden pallets had ignited. (Karen Tapia-Andersen / LAT)
