# At least 15 people are missing or unaccounted for after a major flash flood swept through the Grand Canyon National Park in Arizona on Sunday. Sixty-two hikers and campers were airlifted out of the area. The National Park Service has warned that more thunderstorms and heavy rainfall are forecast for today, which could lead to additional flash flooding, debris flows, rockfall, and changing trail and river conditions. The Grand Canyon, one of the most popular national parks in the US, saw more than 400-thousand visitors last month.
At least 15 people are missing in the Grand Canyon flash floods