Union Democrat staff

At least one person was killed in one of two rockslides Sunday on El Capitan in Yosemite National Park.

The fatal slide occurred about 9 a.m. on El Capitan, the 3,000-foot granite monolith at Yosemite Valley's north end.

The person killed was apparently climbing the iconic stone.

It was unclear if anyone else was injured.

A second rockslide occurred about two hours later, according to witnesses.

While rockslides are commonplace in the park - one was reported a week ago - slide-related fatalities are not. The last was reported in 1999, when a Colorado climber, Peter Terbush, was killed by falling rocks on the Glacier Point "Apron."

In 1996, a Whittier hiker, Hisano Hamada, was killed when a giant boulder crashed from Glacier Point.

And, three people were killed in 1980 on the Yosemite Fall Trail when thousands of tons of granite came crashing down.

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