Olympics-Boxing-Russia’s Tishchenko wins heavyweight gold to boos (Reuters)
* Russia win heavyweight gold * Levit takes silver for Kazakhstan (Adds quotes) By Alan Baldwin RIO DE JANEIRO, Aug 15 (Reuters) – Russia’s Evgeny Tishchenko won the Olympic heavyweight boxing gold medal to a chorus of boos from the crowd on Monday after beating Kazakhstan’s Vasily Levit on a unanimous points decision. Levit, whose world champion opponent required medical attention for a cut in the third and final round, had to settle for silver despite seeming to land more punches and steer the fight.