Avalanche in South Tyrol Claims Two Lives
Officials warned of avalanche risks due to unstable snow layers.
Rescuers used 5 helicopters, Alpine teams, and hospitals in Merano, Bolzano, Bressanone.
3 survivors had serious trauma, 2 minor injuries; all wore transceivers.
Austria reported 21 avalanche deaths, U.S. embassies cited Swiss weather warnings.