(Bloomberg) — Russian Foreign Minister Sergey Lavrov said that the U.S. arrest of Russian Maria Butina on suspicion of trying to infiltrate Republican circles and acting as an unregistered foreign agent was unacceptable. In a telephone conversation with U.S. Secretary of State Michael Pompeo, the top Russian diplomat said the charges against Butina were fabricated and called for her prompt release, according to a Foreign Ministry statement. Butina was ordered jailed in the U.S.