On the night of 1 to 2 March 2022, Siarhei and his wife were detained in Stowbtsy for setting fire to logs on the railway tracks to stop trains carrying Russian military equipment. After the detention, Siarhei appeared in a "repentance" video with visible signs of a beating.
In October 2022, Siarhei was found guilty in a criminal case opened under the articles "Act of terrorism" and "Deliberately rendering a vehicle or means of communication unusable" and sentenced to a long prison term and a large fine.
