Okay, a bit more nuanced than the headline suggests (as most things are).
"Nikita Uvarov, Denis Mikhailenko and Bogdan Andreyev from Kansk, a town in Siberia’s Krasnoyarsk region, were arrested in June 2020 for hanging up political leaflets on the local FSB office that included slogans such as “the FSB is the main terrorist” and support for Azat Miftakhov, an anarchist who was sentenced to six years in prison. All three suspects were 14 at the time of their arrest....
Following their arrests, the FSB searched the teens’ phones, where they uncovered videos of them making pyrotechnics and allegedly throwing Molotov cocktails at a wall, as well as a plot to blow up a virtual FSB building they had built in Minecraft."
"Nikita Uvarov, Denis Mikhailenko and Bogdan Andreyev from Kansk, a town in Siberia’s Krasnoyarsk region, were arrested in June 2020 for hanging up political leaflets on the local FSB office that included slogans such as “the FSB is the main terrorist” and support for Azat Miftakhov, an anarchist who was sentenced to six years in prison. All three suspects were 14 at the time of their arrest....
Following their arrests, the FSB searched the teens’ phones, where they uncovered videos of them making pyrotechnics and allegedly throwing Molotov cocktails at a wall, as well as a plot to blow up a virtual FSB building they had built in Minecraft."