Two senators scrapped a scheduled trip to Russia after Moscow canceled a visa for fellow Sen. Jeanne Shaheen Cynthia (Jeanne) Jeanne ShaheenSenate Democrats introduce bill to sanction Russians over Taliban bounties Trump-backed candidate wins NH GOP Senate primary to take on Shaheen Democratic senator urges Trump to respond to Russian aggression MORE (D-N.H.), according to Politico.

Shaheen planned to depart for Russia on Jan. 11 along with Sens. Ron Johnson Ronald (Ron) Harold JohnsonThe Hill's Morning Report - Sponsored by Facebook - Trump previews SCOTUS nominee as 'totally brilliant' The Hill's 12:30 Report: Ginsburg lies in repose CHC leaders urge Senate to oppose Chad Wolf nomination MORE (R-Wis.) and John Barrasso John Anthony BarrassoSenate to push funding bill vote up against shutdown deadline The conservative case for phasing out hydrofluorocarbons GOP senator attacks Biden: 'I'm not sure what he recalls' MORE (R-Wyo.), all three of whom sit on the Senate Foreign Relations Committee, to meet with Russian government officials.

Johnson and Barrasso canceled the trip when the Kremlin denied Shaheen's visa without explanation.

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Shaheen is a tough critic of Russia, and backed a bill earlier this year that levied new sanctions against the country for its meddling in the 2016 U.S. election.

Shaheen also supported the State Department's move to force Russian news network RT to register as a foreign agent, following the U.S. intelligence community's assessment that the state-backed outlet could have been a part of Russia's 2016 online propaganda campaign.

She also urged Secretary of State Rex Tillerson Rex Wayne TillersonGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Conspicuous by their absence from the Republican Convention MORE in a bipartisan letter this spring to meet with Russian opposition activists during a trip to Moscow in April.

An aide for the senator said she believes the Russian government blocked her travel.

"While she regrets the Kremlin decision to impede dialogue between the Senate and the Russian people, she vows to continue her work to hold the Russian government accountable for its actions that go against international norms and against the Russian people," a spokesman for Shaheen told Politico.

Johnson called Moscow's move to cancel the visa "extremely unfortunate and counterproductive to improving relations between our nations" in a statement to Politico.

All three lawmakers planned to meet with government officials and civic organizations to bolster U.S.-Russian relations.