Boxing-Klitschko beats Povetkin on points to retain world titles

MOSCOW, Oct 5 (Reuters) - Ukraine's Vladimir Klitschko retained his heavyweight world titles with a points victory over Russian challenger Alexander Povetkin in Moscow's Olimpiyskiy stadium on Saturday. The 37-year-old Klitschko, whose record improved to 61 wins and three losses, knocked Povetkin, undefeated in his 26 previous fights, down four times to earn a unanimous points victory and hold on to his WBA, IBO, IBF and WBO crowns. Klitschko's older brother, Vitali, holds the WBC belt. (Reporting by Karolos Grohmann; editing by Martyn Herman)