The Kremlin said on Friday that Russia closely follows all of Donald Trump's statements after the U.S. president said he was "very disappointed" with his latest conversation with Russian President Vladimir Putin about the war in Ukraine.

WASHINGTON—President Trump spoke by phone Thursday with Russian President Vladimir Putin about the war in Ukraine but made no headway on halting the fighting. “I’m very disappointed with the conversation I had today with President Putin because I don’t think he’s there,

It was the latest in a series of almost weekly large-scale missile and drone attacks. President Trump said he “didn’t make any progress” with President Vladimir V. Putin of Russia.