Here's what we know about the climbing accident where three King County residents fell to their deaths, while a fourth climber survived.

(KPTV) - A man from Seattle died after an accident at the Mount Bachelor ski ... but that it appears Shelkey suffocated in the snow.

Downtown Seattle, Capitol Hill ... According to traffic reporter Chris Sullivan, weather-related accidents and spin-outs have occurred on Interstate 405 (northbound), Interstate 520 and Interstate ...

A 34-year-old Seattle man died Monday after being found ... the circumstances are consistent with snow immersion suffocation, officials said. "Tragedies like this remind us of the risks of outdoor ...

While the cause of the accident remains under investigation, and the official cause of death has not yet been determined, the circumstances are consistent with snow immersion suffocation.