Aleh Kalman, 19, was swept over a waterfall while swimming at Yosemite National Park. An eyewitness reported seeing a young man swimming in the Nevada Fall shortly before he got swept away by the current, at around 2:45 p.m.

Kalman, a Sacramento native, was visiting the park with his church group. According to the witness, Kalman was swimming about 150 feet away from the fall’s edge before the current took him away.

A search team, including a California Highway Patrol helicopter, searched the area until dark, reported Fox 40. The Merced River, which runs over Nevada Fall, is currently flowing quickly, with water temperatures in the low 50s.

In 2011, a 6-year-old, his 10-year-old brother and three hikers were all killed in waterfall-related incidents at Yosemite’s Merced River waterfalls.

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