Comes after a surprise visit to Pyongyang by an aide to Japanese P.M. Shinzo Abe.
Hijacking incident echoes an attack in 2012; strains already brittle ties.
June meet will be the first between the two leaders since Xi ascended to the presidency in March.
Neighboring giants look to speed up efforts to settle boundary dispute, boost economic ties.
Political party took to the streets of Karachi on Monday to protest against cricket-hero-turned-politician.
Despite the bail, the former military strongman is to remain under house arrest.
Hardliners argue that law protecting women's freedom is against Islam.
Move comes day President Thein Sein due to leave for a landmark visit to the U.S.
Drawing up ambitious proposals to revitalize the economy while shunning policy stimulus over fear of debt and inflation.
Move comes after rejection of apology; row is the latest flare-up in tension in Asian seas.