Ukraine attacks Russian grain export terminals in Black Sea, prompting warning about food markets CNBCMajor Russian grain export terminals hit in Ukraine Black Sea port attack BBCRussian Strikes on Dozens of Grain Ships Threaten Global Food Supplies The New York TimesRussia-Ukraine War Is Squeezing Another Global Chokepoint: The Black Sea WSJAn overnight Ukrainian blitz damages Russia’s Black Sea naval stronghold, Zelenskyy says AP News