VIENNA - World powers and Iran struggled on Saturday to overcome crucial differences that are preventing them from ending a 12-year standoff over Tehran's atomic ambitions, raising the prospect of another extension to the high-stake talks. | Video
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BAGHDAD - Islamic State militants have killed at least 25 members of a Sunni Muslim tribe in a village on the eastern edge of the provincial capital Ramadi, local officials said on Saturday, in apparent revenge for tribal opposition to the radical Islamists. | Video
TOULOUSE France - Protesters clashed with police in southern France on Saturday over the death of a young activist killed by a police grenade, in the latest of a series of demonstrations which have embarrassed the Socialist government.
FERGUSON Mo - An uneasy quiet settled over Ferguson, Missouri, on Saturday evening after another day without a decision from a grand jury on whether to bring charges against a white police officer for fatally shooting a black teen.
BEIJING - A Chinese man has been arrested for taking photos of an aircraft carrier base and selling them to a foreigner as more young Chinese Internet users are being recruited by foreign spies to gather intelligence on military affairs, state media said.