UGANDAN opposition presidential candidate Bobi Wine was arrested on Tuesday after handing in his nomination papers to the election body, his party's spokesman said. "They (police) used a hammer and broke the windows of his vehicle and forcefully dragged him out ... they bundled him into their own vehicle and took off," Joel Senyonyi, spokesman for the NUP party, said, adding he did not know why Wine was arrested. Police spokesman Luke Owoyesigire said he had yet to receive a briefing on the arrest and promised to comment later. Wine, 38, a musician turned politician whose real name is Robert…