An avalanche killed two skiers on Sunday at the Russian mountain resort used for the Sochi Olympics the day after it opened to the public, the resort said. Six skiers were on the middle section of Labirint run when the avalanche struck, AP quoted the Roza Khutor resort as saying in a statement. The snow buried two women, and rescuers who dug them out were unable to save them, it said. The four other skiers escaped unharmed. The resort said it was clearing the snow from the run and trying to determine the cause of the avalanche. The Roza Khutor management also expressed its condolences to the family and friends of the two skiers who died.