This is the moment an avalanche crashed down a mountainside in the Swiss ski resort of Zermatt, where thousands of tourists were trapped following heavy snowfall.<br /><br />The footage was captured on January 22.<br /><br />Writes the filmer: ''We we're walking up through the Main Street in Zermatt , we heard a loud roar above and looked up to see the snow coming down towards the village.''<br /><br />There were no casualties reported, according to officials.
