Apparently a tree fell on the cable during heavy winds. Hundreds of skiers were individually rescued.

I couldn't tell for sure from the video, but I thnk it was the gondola to the top of the mens downhill course. I've been on it many times.

http://www.telegraph.co.uk/travel/snowandski/skiing-news/11454337/Watch-Skiers-rescued-from-cable-cars-in-Italy-as-storms-wreak-havoc.html