Guides Probed After Deadliest USA Avalanche in 45 Years Kills 9

Authorities launched a negligence investigation into guides after a massive avalanche near Lake Tahoe killed nine people in the deadliest such incident in the USA in 45 years.The tragedy occurred over President's Day weekend at the Frog Lake Backcountry Huts near Truckee as rescuers now use explosives to stabilize the area for recovery efforts.Carrie Atkin, Kate Morse, Danielle Keatley, Caroline Sekar, Kate Vitt, and Liz Claubaugh were among those killed while six others were rescued from the storm.