( CNN ) -- Four people died and another three were missing Monday after two avalanches in the Swiss Alps , Bern police said . The avalanches occurred at 11:30 a.m. ( 5:30 a.m . ET ) and about noon Sunday in the Diemtigen Valley , 34 miles ( 55 km ) south of Bern , said Thomas Jauch , a spokesman for police in Bern County . In the first incident an avalanche buried one person who was with a party of eight cross-country skiers , Jauch said . A nearby party of 25 skiers joined in the search and a physician , who was a member of a ski rescue team , was dropped into the area by one of two helicopters called in to help . As they were searching for the missing skier , a second avalanche buried 10 to 12 of them , Jauch said . Nine were found alive , one was dead , he said . Three of the survivors died later in hospital , he added . The doctor was among the dead , he said . It was not clear whether the original skier who was buried was among the survivors . `` It was not a high-risk day ; not a high-risk situation , '' Jauch said . Search efforts were suspended Monday because of the weather in the mountains . `` There could be another avalanche , '' the police spokesman said .
Avalanches occurred Sunday in the Diemtigen Valley , 34 miles ( 55 km ) south of Bern . In first incident an alpine buried one person who was with a group of eight cross - country skiing . Second incident occurred as rescuers searched for victims , burying 10 to 15 of them .