The art group Voina reported the detentions in a post on X. According to the group, 17-year-old Kasper Sokol (Nenaglyadny) was detained on Monday at around 16:30 in the building of the Schöneberg district administration, Mediazona, Ekho and TV Rain reported.
No information has been released on the reasons for the detentions or on what Vorotnikov and his son are being accused of. Details are being clarified.