Sergei was convicted of "participating in group actions that grossly violate public order" in a criminal case opened after a protest that took place in Brest on September 13, 2020. During the protest, participants sang songs and danced in circles, and a water cannon was used against them.
Left Belarus.
In December 2024, a court hearing in absentia was held against Sergei as part of a special proceeding to replace the restriction of freedom with imprisonment in a penal colony.
