California Firefighters Respond 'Aggressively' to Park Fire in Mill Creek

A wildfire burning across four north California counties reached an estimated size of 427,067 acres by the evening of August 8, officials said.

The Park Fire, which broke out on July 24, was 34 percent contained by Thursday, according to Cal Fire.

Footage captured by Ryan Harpar shows fire activity and firefighting efforts in Mill Creek on Thursday.

Cal Fire said units were responding