3 climbers die in 400ft North Cascades fall when anchor breaks loose, 1 "miraculous" survivor hikes out

Trucks from Okanogan County Sheriff Office are parked at the scene of a rescue effort as a helicopter flies overhead.

New details have emerged about a climbing accident that killed three men in the North Cascades, Washington state officials say.

The Okanogan County Coroner's Office has identified the deceased as Vishnu Irigireddy, 48, from Renton, Tim Nguyen, 63, from Renton, and Oleksander Martynenko, 36, from Bellevue. Anton Tselykh, 38, from Seattle, survived the incident.