US Secretary of State Antony Blinken was trying to send a message of defiance and hope when he took to the stage of a Kyiv bar on Tuesday night for a guitar performance of "Rockin' in the Free World".
But some Ukrainians have reacted angrily, chastising Washington's top diplomat for an ill-judged jam session in the capital while Ukrainian troops are fighting in trenches, struggling to hold back a Russian advance amid a shortage of weapons.
