A "large bird" that made contact with a power line caught fire, fell on dry grass and ignited a blaze that scorched 156 acres in Chino Hills and burned a two-story home, authorities said on Monday.
The blaze, dubbed the Star Fire, erupted on steep terrain near Falling Star Lane and Chino Hills Parkway around 1:30 p.m. Sunday.
The Chino Valley Independent Fire District first reported a 50-acre vegetation fire, but it quickly grew and caused substantial damages to a multimillion-dollar home in the 2000 block of Miramonte Court, the agency said.
The fire had burned more than 150 acres by Saturday night and threatened hundreds of homes at its height, Fire District spokeswoman Massiel De Guevara said.