CNN —One person is dead and another is seriously injured after a two-person climbing team fell 1,000 feet while ascending a mountain in Alaska’s Denali National Park on Thursday. Another climbing party on the same route saw the fall and alerted the Alaska Regional Communication Center around 10:45 p.m., the park said. The second climber sustained “serious traumatic injuries,” according to the release. “The responders dug a snow cave and attended to the surviving climber’s injuries throughout the night,” the release said. The dead climber’s identity is not being released until the family is notified, according to the park.

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Organizations: CNN, Alaska Regional Communication Center, Talkeetna, Airport, NPS Locations: Mt . Johnson, Alaska, Talkeetna , Alaska