However the avalanche risk in the region was set at only two out of five on Tuesday. Such avalanches were rare in the area. It’s believed possibly a tremor happened at 2.23pm local time with the resulting avalanche. It’s feared that “between 10 and 12 people” remained buried under the snow, according the head of Crans-Montana’s municipal government, Nicolas Feraud. At least four people have been injured, one seriously. Christian Varone, commander of the Valais cantonal police, said one person is in a life-threatening condition.
Officials have said that more than 200 rescuers are at the scene. Search dogs and eight rescue helicopters have been mobilised to search for victims at the site. There was no official confirmation of any deaths. A local newspaper said the avalanche covered about 300m-400m (980ft-1300ft) of piste. Tuesday’s avalanche unusually affected a ski track, whereas normally avalanches in the Alpine region affect people who are skiing off piste.The Swiss resort is set to host two women’s World Cup races this weekend. The avalanche was not expected to affect the start of the event, which begins with training runs on Thursday.