Huge California wildfire tears through 5,000 acres every hour

A vortex of ash and flames formed in the Park fire, which police say was sparked on purpose.
Read more: https://www.bbc.com/news/articles/cd1dlzy04l8o

Park fire: California wildfire tears through 5,000 acres an hour

It is the seventh largest fire ever recorded in the state, and is only 10% contained.