Three people were killed when a large avalanche swept away a group of skiers in Canada, officials said.

Three men, including one from Idaho, were killed on Monday when they and another skier were swept away during an avalanche in Canada.

The British Columbia Royal Canadian Mounted Police said the skiers killed were a 53-year-old guide from nearby Kaslo, a 44-year-old man from Whistler and a 45-year-old man from Idaho, per The Canadian Press. The sole survivor, whom authorities said was a 40-year-old man from Nelson, B.C., was in critical condition and airlifted to a hospital.