Kremlin leader Vladimir Putin says Russia is ready for talks with Ukraine based on the earlier Istanbul framework, even as he labels Kyiv’s leadership “neo-Nazi” and rejects current terms.

Kremlin aide Yuri Ushakov said Moscow is ready for dialogue with the European Union, despite months of repeated Russian attacks on EU-led peace initiatives.

Russian President Vladimir Putin said Tuesday that Moscow remains ready to resume peace negotiations with Ukraine on the basis of proposals discussed...