ISIS Militants Claim They Have Produced 'Dirty Bomb' Using Stolen Radioactive UraniumBy Samuel Smith, Deputy Managing Editor CommentSmoke rises from the Syrian town of Kobani, seen from near the Mursitpinar border crossing on the Turkish-Syrian border in the southeastern town of Suruc, Sanliurfa province, October 3, 2014. | (Photo: Reuters/Murad Sezer)