Sergei, an actor and volunteer, is known in Pinsk as an organizer of cultural events and a volunteer at the city hospital. He was detained in May 2021 as part of a criminal case opened after a protest that took place in Pinsk on the night of August 9-10, 2020 against falsifications in the presidential elections. He was convicted of participating in "mass riots."
According to human rights activists, he was released in March 2025, having fully served his sentence imposed by the court.
