Katsyaryna Andreeva with Igar Ilyash wrote the book «Belarusian Donbas» in 2020. The book let people know how the Belarusian side takes part in the War in Donbas for the separatists side. The Belarusian government considered the book to be very bad. In 2021, via court decision, it made the book illegal in Belarus for extremism.