Mark was arrested in November 2021 as part of a criminal case opened under the article "organizing and preparing actions that grossly violate public order, or active participation in them," and taken into custody.
In January 2022, he was convicted of participating in a post-election protest that took place on August 10, 2020, in Zhlobin and sentenced to restricted freedom and sent to an open correctional facility.
He was released in March 2023, having fully served his sentence.
