According to new assessment, with his forces apparently failing in Kyiv, Russian leader now appears to be aiming to secure strategic territory, force concessions with sieges

No word on casualties in strike on besieged port city; officials say people were seeking refuge inside building now destroyed; 20 babies borne by surrogates stuck in Kyiv shelter

Both sides show optimism, but divides remain deep as Russian assaults continue; Ukrainian negotiator insists country needs strong defense guarantees

Ukraine rejects proposal for smaller, non-aligned military, says talks must focus on 'security guarantees'; UK, US say Russian forces remain about 10 miles from center of capital

Serious gaps between the sides remain however, as Ukrainian leader repeats plea for no-fly zone ahead of planned speech to Congress; capital put under 35-hour curfew

'It is here that freedom fights against the world of tyranny,' Polish premier says in Kyiv; Russian forces said to take 400 hostages at Mariupol’s main hospital as 20,000 flee city

Moscow, Kyiv hold fresh round of talks as fighting intensifies around Ukrainian capital, where the leaders of Poland, Slovenia and Czech Republic are heading for a solidarity visit

Leaders of 3 NATO countries will meet Ukraine President Zelensky and PM Shmyhal on solidarity trip as 'representatives of the European Council,' as Russia continues to pound city

At least 1 killed, dozens wounded in attack on residential building in capital's Obolon district; Zelensky renews call for no-fly zone after devastating airstrike near Lviv

Ukraine says 134 hurt in attack on International Peacekeeping and Security Centre in Yavoriv, a site regularly visited by US, NATO instructors; Kyiv preps for 'relentless defense'