ELIAS BIRYABAREMA  UGANDAN pop star and presidential hopeful, Bobi Wine, said some of his supporters were injured on Saturday after police fired teargas and live bullets to disperse a crowd in the country's east. Wine, whose real name is Robert Kyagulanyi, is seeking to end the 34-year-rule of ageing President Yoweri Museveni in polls due to be held early next year. Police spokesman Fred Enanga did not reply to Reuters' repeated calls seeking comment. In a post on his Facebook account, Wine said he had travelled to the eastern Ugandan town of Mbale to appear on a radio talk show…