File image of Russian S-400 Triumf air defence system. (Reuters Photo) Russian Foreign Minister Sergei Lavrov said Friday that the U.S. was openly blackmailing Turkey with its threats, commenting on the latest S-400 comments of Assistant U.S. Secretary of State for European and Eurasian Affairs Wess Mitchel. Mitchell said Wednesday that if Turkey is to … Continue reading Russian FM Lavrov says US using sanctions as blackmail against Turkey over S-400 deal