from washington, d.c. for tracy davidson. i'm vai sikahema. thanks for watching, "today" show up next. >>> good morning. breaking news. a crowded hotel in an italian ski resort, buried by an avalanche overnight. at least 30 people missing. rescuers now desperately digging through a wall of snow to reach the victims, hoping to find some of them alive. >>> tragedy in tehran. an iconic high-rise on fire in the iranian capital suddenly collapses during a live television report. >> word that at least 30 firefighters had been killed. dozens more injured. >>> inauguration eve. donald trump, a little more than 24 hours away from becoming this nation's 45th president. the countdown in full swing, as the president-elect heads to washington for a series of events.