US warns that, with over 130,000 Russian troops deployed on former Soviet republic's border, backed by various missiles and tanks, major attack could be launched at any moment

Zelensky demands proof of Moscow's attack plans, decries intelligence reports as 'only provoking panic and not helping us'

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

'We are in the window when an invasion could begin at any time should Vladimir Putin decide to order it,' says Biden's national security adviser

Richard Nephew, who stepped aside along with 2 others, takes on new post at State Department after disagreements with others on team over degree of sanctions enforcement, WSJ says

Brett McGurk also cautions that there is ‘a very real chance that these talks could collapse very soon’; Bennett uses Holocaust commemoration to slam possible deal

Jake Sullivan assures Eyal Hulata that while Biden administration still prefers diplomacy to prevent nuclear Iran, it's 'preparing alternative options' if Vienna talks fail

Official claims Moscow has already placed positioned operatives to carry out acts of sabotage against its own proxy forces; Kremlin dismisses the claim as 'unfounded'

White House national security adviser Sullivan says Tehran will 'face severe consequences,' if it attacks those targeted by largely symbolic measure