200 are stranded and a hiker goes missing due to flash floods in national parks.

About 200 people were trapped in a national park in New Mexico for many hours on Saturday due to heavy rain and flash flooding in several regions of the Southwest, and one hiker who had been in a national park in Utah on Friday was still missing as of Sunday.

Several hikers were carried off their feet on Friday afternoon in the Narrows at Utah's Zion National Park, which is a popular area of Zion Canyon that requires for wading into the Virgin River.

According to the National Park Service, some people were able to find high ground and were saved by rescuers, while at least one person was injured and swept downstream.