Major powers and Iran negotiated into the early hours of Thursday on Tehran's nuclear program two days past their deadline, with diplomats saying prospects for a preliminary agreement were finely balanced between success and collapse.
Turkish police shot dead a woman carrying guns and hand grenades and detained a man as they tried to attack Istanbul's police headquarters on Wednesday, officials and media said, the third attack on an official building in the past two days.
War in Yemen is having an alarming impact on civilians, the European Union said on Wednesday, condemning attacks on hospitals, schools and homes.
California Governor Jerry Brown, acting in the face of a devastating multiyear drought, ordered the first statewide mandatory water restrictions on Wednesday, directing cities and communities to reduce usage by 25 percent.
