Linda Robinson highlights three things to know about the rise in attacks on U.S. and coalition forces in Afghanistan by members of Afghan forces:

Corey Johnson examines the everyday politics behind resource allocation and consumption.

An explosion at an oil refinery in western Venezuela has killed more than two dozen people, and injured at least 86 others, officials said on Saturday.

A double-decker sleeper bus crashed into a tanker loaded with highly-flammable methanol on a northern Chinese highway early on Sunday - causing both vehicles to burst into flames, state media said.

Syrian rebel forces shoot down helicopter over Damascus, they say, as clashes heat up.

Pakistani Prime Minister Raja Pervez Ashraf appears before the Supreme Court for failing to pursue corruption cases against the president.

Activists inside Syria released video showing rows of bloody bodies in what they claim was a massacre in the town of Daraya located on the edge of Damascus.

One of China's top military leaders warns the U.S. not to interfere in a territorial spat between Beijing and Tokyo.

A court in South Korea rules Samsung did infringe on one of Apple's patents, but not on it's design.

A mosque containing Sufi Muslim graves has been bulldozed in the centre of Tripoli, Libya, a day after Sufi shrines in the city of Zlitan were wrecked and a mosque library was burned.

Frederik Pleitgen reports on whether Israel might strike suspected Iranian nuclear targets before U.S. elections.

Apple vs. Samsung verdicts have differed in the U.S. and South Korea.

 Chilling new details from UN watchdog agency.