Historically dry conditions have combined with gusty winds to make it harder for crews to get a handle on a wildfire burning along the North Rim of the Grand Canyon, causing containment figures to plummet as the blaze nearly tripled in size in just a few days.

The Dragon Bravo Fire, which had been about 20% contained, is now down to just 4% containment. What fueled the fire's sudden growth?

The Dragon Bravo Fire near the Grand Canyon's North Rim lost containment, dropping to 13% due to dry, windy weather. The fire grew to 45,000 acres and advanced four miles north, threatening structures near the park's north entrance.