He also repeated his call for Ukraine's "denazification", based on what Kyiv calls a slur against its leadership. He is offering for Ukraine to sign away its geopolitical sovereignty," Ukrainian presidential adviser Mykhailo Podolyak told Reuters. Naturally, we will simultaneously guarantee the unhindered and safe withdrawal of Ukrainian units and formations." Ukraine says peace must be based on the full withdrawal of Russian forces and the restoration of its 1991 post-Soviet borders. Putin said "the future existence of Ukraine" depended on it withdrawing its forces, adopting a neutral status, and beginning talks with Russia.