This is the best summary I could come up with:

The White House has said it is seeking information after Russia announced it had arrested a dual US-Russian citizen on treason charges, accusing her of collecting funds for Ukrainian organisations and openly opposing the Russian war in Ukraine.

Russia’s state financial monitoring agency added the US senator Lindsey Graham to a database of terrorists and extremists on Tuesday, probably for his criticism of the war in Ukraine.

Khavana’s arrest occurred shortly before President Putin confirmed there were backroom talks with the US to negotiate a prisoner exchange, including the jailed Wall Street Journal reporter Evan Gershkovich.

The FSB said in a statement: “Since February 2022, [Khavana] has been proactively collecting funds in the interests of one of the Ukrainian organisations, which were subsequently used to purchase tactical medicine items, equipment, weapons and ammunition by the armed forces of Ukraine.

Gershkovich, who has been held in Moscow’s Lefortovo jail for nearly a year, appeared in court on Tuesday, where a judge extended his pre-trial custody for another two months.

Putin compared Gershkovich to Vadim Krasikov, an FSB hitman who was handed a life sentence in Germany for the assassination of Chechen field commander Zelimkhan Khangoshvili in Berlin, when asked about the case by the former Fox News host Tucker Carlson in an interview the Russian president said had a “lack of sharp questions”.

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