Avalanches occurred Sunday in the Diemtigen Valley , 34 miles ( 55 km ) south of Bern . As they were searching for the missing skier , a second avalanche buried 10 to 12 of them , Jauch said . In first incident an avalanche buried one person who was with a party of eight cross-country skiers . The second accident happened when two people were skiing on a slope and fell into a crevasse.
Avalanches occurred Sunday in the Diemtigen Valley , 34 miles ( 55 km ) south of Bern . In first incident an avalanche buried one person who was with a party of eight cross-country skiers . The second accident happened when two people were skiing on a slope and fell into a crevasse.