Defense ministry of Russian Federation has no tangible proof that Islamic State (IS) leader Abu Bakr al-Baghdadi has been killed in the U.S. operartion and doubts that such an operation has ever taken place, the ministry’s spokesma Igor Konashenkov said. Russia has no official confirmation of Al-Baghdadi elimination – Kremlin spokesmanhttps://t.co/uHWZMyah6t — Sputnik (@SputnikInt) October 29, 2019…