Pa 26 February 2021, khoti la muchigaŵa cha Kostroma likukoliyana ndi cheruzgu cho chinguperekeka mu October 2020 chakukwaskana ndi mulandu wa Mubali Sergey Rayman ndi muwolu waki Valeriya. Kweni khoti ili latuzgiyaku vyaka vo banja ili angulilangiya. Sergey akumutuzgiyaku vyaka kutuwa pa vyaka 8 kufika pa vyaka vitatu, ndipu Valeriya kutuwa pa vyaka 7 kufika pa vyaka viŵi. Yiwu alutengi kujeri cha pa nyengu iyi.