Wildfires across the western United States and Canada have put millions of people under air quality alerts, as thousands of firefighters battle the flames.

The death toll in the Camp fire in Northern California rose to 63 Thursday as President Trump planned to visit California to meet with people impacted by the wildfires in what marks his second trip to the state since his election.

Two deadly wildfires fueled by "devil winds" tore through opposite ends of California on Sunday, with residents urged to heed evacuation orders by officials forced to leave their own homes. In northern California, the Camp Fire is one of the deadliest and most destructive in the state'