Three rock climbers fell to their deaths in Washington state, authorities said. Investigators believe their equipment failed as they were descending a ravine.

Authorities suspect the group's anchor point failed, sending four men plummeting. On Wednesday, the survivor was in satisfactory condition with head trauma and internal injuries.

A group of four climbers suffered a fall reportedly due to 'an anchor failure' while descending a steep gully in the North Early Winters Spire area of North Cascades National Park at 11:30 a.m. on Sunday,