Denis was arrested in August 2021 as part of a criminal case opened under the article "organizing or actively participating in group actions that grossly violate public order." In November of that year, he was convicted for participating in a post-election protest that took place in Minsk in August 2020. It is known that he endured a great deal during that protest, including beatings and abuse.
In February 2022, Denis began serving his sentence in an open-type correctional facility, but in the spring of 2023, the regime was tightened, and he was transferred to a penal colony.
According to human rights activists, he was released in December 2023, having fully served his sentence.
