Three wildfires are currently impacting Los Angeles and Ventura counties, prompting thousands of people to evacuate, schools to close and power lines to be shut off.
Unusually high winds and dry conditions are driving the Palisades Fire in Southern California. More than 30,000 people are under mandatory evacuation orders.
Rocky Mountain Spotted Fever is the deadliest tickborne disease in the U.S. Rates of the disease are especially high on some tribal lands, but public health efforts to limit deadly cases are working.
President-elect Trump doubled down on his threat to impose economic pressure against Canada. The warning comes one day after Canadian Prime Minister Justin Trudeau announced his plans to step down.