Ukrainian President Volodymyr Zelensky said he is ready to make “some compromise” on his demand that a ceasefire takes place before any talks with Russian President Vladimir Putin – as long as some security guarantees for Ukraine are established.

The president called the meetings with both leaders "very successful," despite failing to reach a ceasefire deal.

The stakes are high as President Trump tries to negotiate an end to the war between Russia and Ukraine. CBS News New York's Dick Brennan reports.