YREKA, Calif. — Two more bodies were found within the burn zone of a huge Northern California wildfire, raising the death toll to four in the state’s largest blaze of the year, authorities said Tuesday.  Search teams discovered the additional bodies Monday at separate residences along State Route 96, one of the only roads in and out of the remote region near the state line with Oregon, the Siskiyou County Sheriff’s Office said in a statement.  …Two bodies were also found found Sunday inside a charred vehicle in the driveway of a home near the tiny unincorporated community of Klamath River, which sustained major damage in the McKinney Fire, sheriff’s officials said.  ….More than 100 homes, sheds and other buildings have burned in the McKinney Fire since it erupted last Friday. Rain helped firefighters as they worked to control the spread of the fire, but the blaze remained out of control, authorities said.