A drought-driven wildfire in northern New Mexico turned into a 100,000-acre or 157-square-mile “megafire” on Saturday and could more than double in size, a fire official said. The fire is by far the largest and most destructive in the United States.

A drought-driven wildfire in northern New Mexico turned into a 100,000-acre or 157-square-mile “megafire” on Saturday and could more than double in size, a fire official said. The fire is by far the largest and most destructive in the United States.