Midpines (United States) (AFP) – A fierce California wildfire expanded early Sunday burning several thousand acres and forcing evacuations, as tens of millions of Americans sweltered through scorching heat with already record-setting temperatures due to climb even further. More than 2,000 firefighters backed by 17 helicopters have been deployed against the Oak Fire, which broke out Friday near Yosemite National Park, the California Department of Forestry and Fire Protection (CAL FIRE) said in a report. But two days after it began the blaze had already consumed more than 14,200 acres (5,750 hec…