ISTANBUL/MOSCOW Russia threatened economic retaliation against Turkey on Thursday and said it was still awaiting a reasonable explanation for the shooting down of its warplane, but Turkey dismissed the threats as "emotional" and "unfitting". | Video
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LONDON Prime Minister David Cameron said on Thursday it was time to join air strikes against Islamic State in Syria because Britain cannot "subcontract its security to other countries". | Video
VIENNA A U.N. report on whether Iran has in the past carried out work related to nuclear weapons will not reach a definitive conclusion on the subject, the chief of the U.N. nuclear watchdog said on Thursday.
CARACAS Venezuela opened an investigation on Thursday into the murder of a local opposition leader days before a legislative election, stirring fears of renewed political violence in the volatile South American OPEC nation.
TUNIS Tunisian authorities have identified as a Tunisian national the suicide bomber from Tuesday's bus attack which killed 12 presidential guards, the interior ministry said on Thursday.
NAIROBI World leaders must reach a historic agreement to fight climate change and poverty at upcoming Paris talks, facing the stark choice to either "improve or destroy the environment", Pope Francis said in Africa on Thursday. | Video