Austria's 9,000-foot Trittkopf mountain was hit by an avalanche, trapping 10 skiiers.

Austria's 9,000-foot Trittkopf mountain was hit by an avalanche, trapping 10 skiiers. An onlooker’s footage helped rescuers account for those missing. Six of those rescued reportedly emerged unhurt, while one of the 4 was airlifted to a hospital.