Russian woman's arrest unacceptable, Lavrov tells Pompeo

Investigators say Butina worked for years as a covert Russian agent attempting to "advance the interests of her home country."

In a telephone call with Pompeo, Lavrov "stressed that the actions of American authorities who arrested the Russian citizen Butina based on false accusations is totally unacceptable", the foreign ministry said in a statement.

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"The defendant's covert influence campaign involved substantial planning, global coordination and preparation", prosecutors wrote in a court filing.

The two men also discussed Syria as well as efforts to promote the denuclearization of the Korean Peninsula. The federal case has added to a growing picture of undisclosed foreign attempts to lobby in the U.S. and alleged Russian influence in the political system.

Russian Federation has been steadily beating the drum on Butina's behalf.

Robert Driscoll, Butina's attorney, has pushed back strongly on the accusations against Butina and told CNN on Friday that much of the U.S. government's case against her was "taken completely out of context". A tweet by the foreign ministry called on supporters to add a photo of Butina to their Twitter avatars.

We will remind, on Wednesday, July 18, the court of the district of Columbia ruled that arrested in U.S. Russian Maria Butina will remain in custody until the start of the trial in her case.

The charges are not related to Justice Department special counsel Robert Mueller's ongoing inquiry into Russia's interference in the 2016 presidential election. Butina, a 29-year-old gun-rights activist, served as a covert Russian agent while living in Washington, gathering intelligence on American officials and political organizations and working to establish back-channel lines of communications for the Kremlin, federal prosecutors charged Monday, July 16, 2018.

The arrest was announced Monday hours after Trump finished a summit and a press conference with Putin in Helsinki, Finland, where the United States leader rejected the U.S. intelligence community's verdict that the Russians interfered to support him over Hillary Clinton in the 2016 race. They discussed a broad range of issues, some of which were following up from the meeting between President Trump and President Putin. The president's comments prompted lawmaker outrage and the release of a rare statement from Director of National Intelligence Dan Coats underscoring Russia's role.