MOSCOW - Russia said on Friday that US sanctions imposed over the annexation of Crimea would not serve American interests and would elicit a tough response, harming bilateral ties.
"We ... will be tough in our response," the Russian Foreign Ministry said in a statement.
"Washington should be under no illusions: The effectiveness of its sanctions in terms of American interests is zero. But the harm to US-Russian relations due to these irresponsible actions is inevitable."
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