Special U.S. envoy Steve Witkoff says Russian leader Vladimir Putin agreed to allow the U.S. and Europe to offer Ukraine a security guarantee resembling NATO's collective defense mandate.

Ukrainian President Volodymyr Zelenskyy is bringing with him to the the White House an extraordinary cadre of European leaders to show U.S. President Donald Trump a united front against Russia.

The protections that the US and Europe would be able to provide to Ukraine are similar to NATO's collective defense mandate.

WASHINGTON: US President Donald Trump said reclaiming Crimea or entering NATO were off the table for Ukraine, as President Volodymyr Zelenskyy arrived in Washington for Monday's (Aug 18) talks aimed at ending the war with Russia.

A host of European leaders will join Ukrainian President Volodymyr Zelensky for talks at the White House with US President Donald Trump tomorrow. The meeting comes on the heels of Trump’s summit in Alaska with Russia’s Vladimir Putin.

General Christopher Donahue, commander of U.S. Army Europe and Africa, said allies could seize Kaliningrad "in a timeframe that is unheard of."

European and NATO leaders announced Sunday that they will joining President Volodymyr Zelensky in Washington for crucial talks with President Trump.

European leaders in a "coalition of the willing" are meeting to project unity in response to Putin’s demands at his summit with Trump ahead of Zelenskyy’s Washington visit.