Sergei was detained in a criminal case opened after spontaneous protests on August 10, 2020 in Brest against falsifications in the presidential elections. He was convicted of participating in "mass riots."
Before his imprisonment, he worked as a turner, is interested in metalworking and design, and has a mathematical mind.
In the summer of 2023, his detention regime was tightened - Sergei was transferred to a prison regime until the end of his sentence.
According to human rights activists, he was released in October 2024, having fully served his sentence.
