Three climbers fell to their deaths near a perilous pass on Mount McKinley in the United States' Denali National Park and Preserve. One mountaineer was rescued.

Rescuers are trying to reach four climbers who fell on Alaska’s Mount McKinley, North America’s tallest peak, the National Park Service said Thursday.

The climbers’ conditions weren’t immediately known following the fall, which was reported to Denali National Park and Preserve rangers overnight, and rangers were seeking a…