Ukraine’s President Volodymyr Zelensky might meet Russia’s President Vladimir Putin in Turkey on Thursday – if the Russian leader decides to show up for a summit that he himself suggested.

U.S. Secretary of State Marco Rubio and his NATO counterparts meet in Turkey to prepare a pivotal summit of alliance leaders next month that will set the course for future European security as America focuses on challenges elsewhere.

Russian President Vladimir Putin will not travel to Turkey for peace talks on the war in Ukraine, despite calls from Ukraine's Volodymyr Zelensky for him to attend.Russia's delegation at Thursday's talks in Istanbul will instead be headed by presidential aide Vladimir Medinksy,