Nawaz Sharif to meet oppo leader Imran Khan in bid to end anti-government protests.
China is resisting pressure from the U.S. to rein in provocative actions in the disputed region.
Kerry previously brokered a deal that involved the eventual creation of an Afghan unity government.
The two candidates in disputed election have yet to begin work on the formation of a unity goverment.
Abdullah Abdullah aired a tape that he claims is proof of an agreement to fix the election in favor of his rival.
Suicide bombing deepens strains over an election marred by fraud and under a U.N.-monitored review.
Zhou Yongkang is by far the highest-profile figure caught up in crackdown on corruption.
Landslide that has claimed at least 23 lives and buried some 40 homes.
Protests were prompted by China's decision not to allow the Asian financial hub to choose its next leader.
Pakistan slipped deeper into crisis on Thursday after talks between the government and the opposition failed.
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