Sixth teen's body found in avalanche in Siberia MOSCOW, March 9 (UPI) -- Authorities in Russia said Saturday they have recovered the body of a sixth teenager killed in an avalanche in eastern Siberia. The avalanche occurred Wednesday on a remote mountain slope about 4 miles from the village of Mugur-Aksy. Regional officials have declared a week of mourning for the boys, who were climbing the slope to plant flags, a local custom believed to bring good luck, RIA Novosti said. Only one of the seven teens on the quest survived.