US officials say unnamed Russian spy services launched chemical attack on investigative journalist Dmitry Muratov on Moscow train

Muratov has previously said he boarded a train on 18 April heading from Moscow to the city of Samara when he was splashed with red paint containing acetone by an attacker who told him: “Muratov, this is for you from our boys.”

At the time, the veteran journalist posted on his Telegram channel photographs of his face and body covered in red oil paint, saying his eyes were “burning terribly” after the assault.

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