<prompt> Bhala okuqhubekayo kwalesi sigaba - UNavalny wayelaliswe esibhedlela  <response>: Ngo-20 Agasti 2020, usesimweni esibucayi ngemuva kokuthi adliwe ushevu nge-Novichok nerve agent ngesikhathi endiza esuka eTomsk eya eMoscow. Wathuthelwa eBerlin futhi wakhululwa ngo-22 Septhemba. Ukusetshenziswa kwe-Novichok nerve agent kwaqinisekiswa yi-Organisation for the Prohibition of Chemical Weapons OPCW. Nakuba iKremlin yakuphika ukuhileleka ekudleni kwakhe ushevu, i-EU ne-UK baphendula ngokubeka izijeziso ezikhulwini eziyisithupha eziphezulu zaseRussia nasesikhungweni sikahulumeni samakhemikhali. UNavalny wasola uMongameli uVladimir Putin ngokuthi nguye obangele ukubulawa kwakhe ushevu. Uphenyo olwenziwa i-Bellingcat ne-The Insider lwafaka izisebenzi ze-Federal Security Service FSB engozini yokubulawa kukaNavalny. 