BERLIN—Three skiers have been killed and two injured in an avalanche in central Austria, authorities said Sunday. The victims included a rising young motorbike racer. They were part of a group of 11 skiers, eight of whom were hit by a roughly 200-meter (655-foot) wide slab of snow as they ascended a slope during a ski tour on Saturday in the Tweng area, in Salzburg Province. Three of the skiers were buried by the avalanche, while another two were partly buried and able to free themselves, regional police said in a statement. Rescuers were able to locate two of the others with the help of their search devices; one was already dead and the other later died at a hospital in Klagenfurt. The third buried skier wasn’t carrying a search device. His body was located about four hours after the avalanche and recovered. The victims were Austrian men, two of …