The EU is preparing new sanctions on Russia despite a potential meeting between Vladimir Putin and Volodymyr Zelenskyy on Thursday, three sources told CNBC.

Ukrainian President Volodymyr Zelenskyy has stated that if his conversation with Kremlin leader Vladimir Putin does take place, he will negotiate a full ceasefire. Source: Zelenskyy speaking to journalists on 13 May Quote: "We will do everything to make this meeting happen.

During possible negotiations in Istanbul, President of Ukraine Volodymyr Zelenskyy is ready to talk only with the Russian dictator Vladimir Putin, according to the head of the President’s Office, Mykhailo Podolyak.

KYIV − Ukrainian President Volodymyr Zelenskyy said he would agree to meet Kremlin leader Vladimir Putin in Turkey on Thursday after U.S. President Donald Trump told him immediately to accept Putin's proposal of direct talks.

Ukrainian President Volodymyr Zelenskyy accepted Russian President Vladimir Putin's offer to meet in-person in Turkey on Thursday.

Russia is not responding to Ukraine's proposal for a meeting in Istanbul. And this silence is very strange, states Ukrainian President Volodymyr Zelenskyy. The head of state reminded that he had negotiations with Turkish President Recep Tayyip Erdoğan.

Ukrainian President Volodymyr Zelenskyy comments mark the latest move in a weekend-long exchange of proposals from both sides on the next steps in the U.S.-led peace effort.