A Cal Fire employee, Robert Hernandez, has been arrested on suspicion of arson after allegedly starting five wildfires across Northern California, particularly in Sonoma County. The fires, described as 'extremely destructive,' are believed to have been ignited while Hernandez was off duty. Bail has been set at $2 million for the firefighter, who is facing multiple charges related to the incidents. Authorities are investigating the circumstances surrounding the fires, which have raised concerns about safety and prevention measures in the region.