Chinese state media reported Thursday that 50 people, including 40 assailants, were killed in a series of explosions over the weekend in the far western region of Xinjiang, in what officials called a severe terror attack.
Western strategists have long debated the spectre of Iran "breaking out" - suddenly showing the ability to explode an atom bomb. But some see a "sneak-out" less visible to UN inspectors as a possibly bigger risk and world powers have calibrated their demands in negotiations with Iran to forestall any such outcome.
Prime minister Nawaz Sharif and UN Secretary-General Ban Ki-moon have discussed the current political crisis and security situation in Pakistan and the need for improved bilateral relations with India.
British lawmakers are expected to vote on Friday to join the international air strikes against Islamic State fighters, as the United States and its Arab allies turn up the heat on the jihadists.
A knife-wielding man stabbed to death four primary school children in southern China on Friday, state media reported, the latest in a series of such attacks in recent years.