Wildfires surge amid scorching heat across US West

LOS ANGELES — Smoke filled the sky and ash rained down across Los Angeles Sunday from a destructive wildfire that the mayor said was the largest in city history — one of several blazes that sent thousands fleeing homes across the U.S. West during a blistering holiday weekend heat wave.In Oregon, crews were rescuing about 140 hikers forced to spend the night in the woods after fire broke out along the popular Columbia River Gorge trail. Search and rescue crews air-dropped supplies on