Yasuo Fukuda, newly-elected 22nd President of the ruling Liberal Democrat Party of Japan (LDP), responds to reporters questions during a press conference following his victory over his contender and former Foreign Minister Taro Aso at the LDP's headquarters in Tokyo, Japan on September 23, 2007. (UPI Photo/Keizo Mori)
TOKYO, July 13 (UPI) -- Japan's main opposition won the majority in Tokyo's metropolitan polls, in a setback to Prime Minister Taro Aso, forcing him to call general elections.