A wildfire that killed a California firefighter grew quickly and forced the closure of a key route into Yosemite National Park as crews contended with sweltering conditions Sunday, authorities said.
The so-called Ferguson Fire that broke out Friday scorched nearly 7 square miles (18 square kilometers) of dry brush along steep, remote hillsides on the park's western edge. It was burning largely out of control, and officials shut off electricity to many areas, including Yosemite Valley, as a safety precaution.
Guests were ordered to leave Yosemite Cedar Lodge on Saturday as flames crept up slopes and the air became thick with smoke.
"You can't see anything, it's so...