Japan PM survives challenge

Victory comes just two days before DPJ celebrates first year in power

TOKYO - Japan's Prime Minister Naoto Kan survived a leadership challenge by a party power broker on Tuesday after just three months in office, but his government could still face new political tumult.

Kan was re-elected by his center-left Democratic Party of Japan (DPJ) as party president, meaning he stays on as premier, after defeating powerful faction boss Ichiro Ozawa, dubbed the "Shadow Shogun".