U.S. ambassador to UN arrives in Kyiv

That's according to Nate Evans, a spokesperson for the U.S. Mission to the UN, and the U.S. Embassy in Ukraine, reports Ukrinform.

"The U.S. Ambassador to the UN is in Kyiv for a day of meetings to reiterate the U.S.'s unwavering support for Ukraine as it defends its freedom and sovereignty amidst Russia's brutal and unprovoked invasion," Evans wrote.

According to the embassy, in Kyiv, the ambassador will meet with the leaders of the Ukrainian government to discuss the firm commitment of the United States to the sovereignty and independence of Ukraine. She will observe the documentation and preservation of evidence of atrocities committed by Russian forces and hear the stories of survivors.

Ambassador Thomas-Greenfield will also discuss the global food security crisis exacerbated by the Russian invasion and will highlight the critical need to continue the Black Sea Grain Initiative for next year, the embassy said. She will also meet with humanitarian organizations working to provide winter supplies for vulnerable people affected by Russia's attacks on energy and other civilian infrastructure.