Bennett and top officials believe window for evacuations is closing, based on US intel; Foreign Ministry estimates 10-15,000 citizens in Ukraine; airlines offer rescue flights

US official says 'professional' phone conversation produces 'no fundamental change'; evacuation of non-essential staff at American embassy, foreign citizens in Kyiv underway

US evacuates Kyiv embassy, as other Western nations urge citizens to leave country; Russia leader also speaks with French president

US top diplomat, says diplomatic channels remain 'open' to avoid conflict but would require Russia to 'deescalate'; Biden, Putin to hold high-stakes call

Washington says it is bracing for the worst, urges all Americans to leave the country within 48 hours

Soldiers will join 1,700 American servicemen already in Poland; Biden's national security adviser warns Putin could give order to attack at any moment

UK's Johnson calls crisis most dangerous moment for continent in decades, dispatches soldiers to Poland as icy talks with Moscow flounder; Biden urges Americans to leave Ukraine

Internal American assessments say Putin has assembled 70% percent of the firepower needed for full-scale assault on Ukraine, but believe still no final decision whether to invade

Local mayor says soldiers are from the US Army's 82nd Division; Washington has said it will send 3,000 additional troops to eastern Europe to defend NATO members from 'aggression'

Putin and Xi issue joint statement opposing NATO expansion and American moves in the Asia-Pacific region