The last two people missing after a Christmas avalanche at a ski resort in western Austria contacted authorities late Sunday and the search for them was called off, the Reuters news agency reports, citing the Austrian Press Agency (APA).

Ten skiers were initially thought to be unaccounted for, based on a skier’s video, APA said, adding that four of the ten were hurt, at least one seriously.

The avalanche came down around 3:00 p.m. at an altitude of 8,858 feet in the Lech Zurz ski area, police said. The Times of London reported it happened on Trittkopf mountain.

Rescuers backed by helicopters and dogs scoured for survivors. The Times said hundreds of rescuers were involved.

Eight people were found at first, police said. One managed to free herself and get to a hospital.

Officials had warned of high avalanche risk in the area over the weekend. The avalanche came after days of heavy snow in the Alps and unseasonably warm weather on Christmas Day, according to The Times.

Officials had warned of high avalanche risk in the area over the weekend. 

In recent years, avalanches in Austria have killed about 20 people on average each year.

The Lech Zurz area is one of that country’s top ski regions, The Times noted.