Avalanche Kills Nine Backcountry Skiers Near Lake Tahoe

A storm slab avalanche near Castle Peak in California's Sierra Nevada buries a group of 15 backcountry skiers on the final day of a guided three-day trip, killing nine, including three guides from Blackbird Mountain Guides. It is the deadliest avalanche in the United States since 1981 and the deadliest in California history.