17-Year-Old Rescued after Collapsing in Yosemite National Park

FRESNO, Calif. The 17-year-old had to be air-lifted off the Upper Yosemite Falls Trail after collapsing during a hike Monday.

He was part of a group of students and instructors who often hike the area. The teen has only been identified as being from Upland in Southern California.

It's still unclear what caused him to collapse, but he was taken by helicopter to Children's Hospital Central California.

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