Ukraine questions Russia's commitment to peace after Moscow failed to send its negotiation proposals to Kyiv before the meeting.

After more than three years of war, Russia and Ukraine are engaged in direct and public talks to end the fighting, but their positions remain far apart.

A day after Ukraine's audacious large-scale drone attacks on multiple Russian air bases, negotiators from Moscow and Kyiv are meeting on Monday in the Turkish city of Istanbul for their second round of direct peace talks.