The Muslim separatist group, based in the Xinjiang province in northwest China, presents a heightening security challenge for Beijing.

Pakistan has emerged as a sanctuary for some of the world’s most violent groups, including al-Qaeda, the Taliban, and homegrown militants, that threaten the stability of Pakistan as well as the regio…

China’s recent push to renew the Six Party Talks, stalled since 2008, has raised hopes for progress on the peninsula despite worries that Pyongyang may have restarted its old nuclear reactor.