Russia said on Wednesday it planned to deploy more of its advanced S-400 surface-to-air missile systems to Crimea as tensions rose with Ukraine over Moscow’s seizure of three Ukrainian navy ships and their crews.
Reuters: Russia says will deploy new S-400 missile systems in Crimea
(FILES) In this file photo taken on May 09, 2018 Russia's S-400 Triumph air defence missile systems rides through Red Square during the Victory Day military parade in Moscow.
Saudi Arabia has threatened military action against Qatar if it goes ahead and acquires Russia's top of the range S-400 air defence missile system, Le Monde daily reported. / AFP PHOTO / Kirill KUDRYAVTSEV