(corrects spelling of Ruud in first paragrpah)
LIVIGNO, Italy, Feb 17 (Reuters) - Norway's Tormod Frostad won the gold medal in the men's freestyle skiing big air final at the Olympics on Tuesday, unseating compatriot and defending champion Birk Ruud.
American Mac Forehand took silver, while Matej Svancer of Austria claimed the bronze. Ruud finished eighth.
(Reporting by Alvise Armellini, editing by Ken Ferris)
