Russia launched its largest drone attack on Ukraine since the beginning of its invasion, Ukrainian officials said Wednesday, just hours after US President Donald Trump pledged more military support for Kyiv and accused his Russian counterpart Vladimir Putin of throwing “bullsh*t” over peace talks.

The Kremlin, asked on Wednesday about U.S. President Donald Trump's criticism of Russian President Vladimir Putin, said that Moscow was "calm" regarding the criticism, and that it would continue to try to fix a "broken" U.