The Dragon Bravo fire has been burning for more than a month, fueled by record-low humidity that has hampered containment efforts.

Bad news for vacationers — a massive wildfire that shut down the Grand Canyon's North Rim has grown even more. Here's the latest.

T he largest wildfire currently burning in the US is sweeping through Arizona’s Grand Canyon National Park, scorching more than 51,000 hectares (126,000 acres) and blanketing the surrounding area in thick smoke. To make matters worse, hot, dry conditions continue to fuel the flames as ominous “fire clouds” loom overhead.