What you need to know
US Secretary of State Antony Blinken arrived in Kyiv on Tuesday morning for an unannounced visit aimed at reassuring Ukrainians of continued US support and arms flow as Russia attacks the northeastern Kharkiv region.
Marking his fourth visit to Kyiv since the start of the Russian invasion in February 2022, Blinken arrived by overnight train from Poland. He is scheduled to meet with Ukrainian President Volodymyr Zelenskyy.
Here's a look at the latest developments in Russia's war in Ukraine on Tuesday, May 14.