Darchiev added that Washington's actions have become a routine practice, and the recent decision to impose a fresh package of sanctions against Russian officials and the country's financial sector show that the United States had clearly ran out of restrictive measures, Xinhua news agency reported.

 

"Not a single aggressive attack against Russia will go unanswered," he said, adding that this would only unite the Russian people, and end in "a humiliating defeat" for the enemy.