Ukrainian President Zelensky said he would meet Putin if the Russian president agreed - but Russia says he won't be there.

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.

For days, President Donald Trump repeatedly floated the possibility of scrapping his Middle East travel schedule — one his team meticulously crafted for weeks — and adding a stop to personally mediate Ukraine-Russia peace talks in Turkey.