A mountain of trouble as Matterhorn is rocked by avalanches Mountain guide Victor Saunders and his companion Craig Higgins had reached the Solvay bivouac hut on the Matterhorn's Hornli ridge last week when their balmy morning climb turned into a nightmare. 'An enormous avalanche hurtled down the mountain's east face,' said Saunders, one of Britain's leading climbers. 'I have never seen so much rock falling at one time.' The pair survived by cowering under an overhang as a rain of boulders ricocheted past them. It would have been a remarkable enough incident on its own. But within a couple of...