On November 29, 2021, Aliaksei was detained and taken to the Central District Police Department of Minsk and then to the temporary detention facility on Akrestsina Street. His mobile phone, laptop and external drive were seized. The next day, after questioning, he was released pending trial on a written undertaking not to leave and the personal guarantee of two people.
In March 2022, Aliaksei was found guilty in a criminal case initiated under the article "Insulting a representative of the authorities" and sentenced to restricted freedom without referral to an open-type correctional facility.
