Japan moved to the right and unsettled the region, observers said, after the country's conservative opposition swept to victory in national polls on Sunday.
Disappointed Japanese voters delivered a knockout blow to the Democratic Party of Japan on Sunday, just as they did to the Liberal Democratic Party in 2009.
The LDP of Japan won the election, but tension with China will continue if party chief Shinzo Abe follows his hawkish campaign rhetoric, experts said.
Noda quits from DPJ's presidencyLDP, Komeito agree to form coalition Special: Japan Election Comment: China to make good on neighbors
Japanese Prime Minister Yoshihiko Noda on Sunday conceded his party was defeated in the general election and said he was stepping down as leader of the Democratic Party of Japan.
With support for his cabinet and party declining, Yoshihiko Noda is on the defensive for himself and for the Democratic Party of Japan.
Ichiro Ozawa, former leader of the Democratic Party of Japan and party defector, sent Yukiko Miyake to Chiba's fourth district to challenge Japanese Prime Minister Yoshihiko Noda for a seat in the Dec 16 House of Representatives election.
Japanese dismay at domestic political turmoil and gloomy economic prospects were two of the top issues in the country's latest public opinion polls.
Tokyo kicked off its political reshuffling on Friday after Japanese Prime Minister Yoshihiko Noda dissolved the lower house.
Japanese PM Yoshihiko Noda will dissolve the lower house on Friday and call for a general election on December, according to the ruling party.
Japan's PM Yoshihiko Noda will dissolve the lower house of parliament on Friday for a general election on December 16.
Former Tokyo governor Shintaro Ishihara on Tuesday unveiled his new party, marking the latest round of Japanese political turmoil.
The Japanese people are counting down the days in anticipation of Japanese Prime Minister Yoshihiko Noda dissolving the House of Representatives and calling a general election.
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