Six wildfires continue to burn around Los Angeles county as of Friday afternoon local time, with authorities trying to contain the blazes.

California fires have become some of the most destructive in Los Angeles history. With thousands of structures destroyed and lives lost, these wildfires are now ranking among the worst in the state’s history.

As greater Los Angeles burns, President-elect Donald Trump has unleashed a blistering volley against Gov. Gavin Newsom and stepped up threats to withhold federal aid to California, which some experts say could be enduring its most costly disaster ever.