Russia is reportedly thinking about taking retaliatory measures against the United States.

"It goes without saying that the main principle of reacting to sanctions is reciprocity," Kremlin spokesman Dmitry Peskov said during a conference call with reporters, according to Reuters.

"At our experts' level, naturally, different variants (of Russian) sanctions are now being formulated and proposed."

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The Senate last week overwhelmingly passed legislation imposing new sanctions on Russia and giving Congress the ability to block President Trump from lifting current sanctions.