Russian President Vladimir Putin in the early hours of Sunday proposed direct negotiations in Turkey on Thursday "without any preconditions," but he did not say who would attend from Moscow's side. Ukrainian President Volodymyr Zelenskiy has said he would attend the talks with Russia only if Putin is also there.

July 22, 2022: Russia and Ukraine, with mediation by Turkey and the U.N., agree on a deal to unblock supplies of grain stuck in Ukraine’s Black Sea ports, ending a standoff that threatened global food security. The deal expires a year later.

Ukrainian President Volodymyr Zelensky says he will be present in Turkey for direct negotiations with Russian President Vladimir Putin, telling CNN’s Nick Paton Walsh he expects new sanctions to be imposed on Russia if a 30-day unconditional ceasefire isn’t agreed upon.