Russia vows 'tough' retaliation to EU sanctions: foreign ministry

Moscow vowed Thursday to respond in kind to "unfriendly" European Union sanctions imposed over Russia's invasion of Ukraine.  "In accordance with the principle of reciprocity, which is fundamental to international law, we will take tough retaliatory measures," the foreign ministry said in a statement. Read More Region & World  Read More "Coordinated sabotage" causes disruptions to French rail lines ahead of Paris Olympics Russia might launch nuclear-tipped missiles in retaliation for US placing weapons in Germany Belousov and Austin defuse the war in Europe.