US official says Biden-Putin summit is unlikely

Putin moves in eastern Ukraine opening salvo to possible large-scale invasion, US and western officials say

US representative on Putin ordering troops into Ukraine: "This is not a peacekeeping operation"

US representative: Putin's "goal and intent is to take over all of Ukraine"

UN Security Council expected to convene an urgent meeting soon

US official: Russia's decision to recognize separatist regions of Ukraine "is a step away from diplomacy"

Military convoy moving through streets of Donetsk, Russian media

Australia says it will be in lockstep with allies on any Russia sanctions

US officials have had conversations with Zelensky about leaving Kyiv should it become necessary

Ukraine President Zelensky says “we will not give anything to anyone”