NATO Chiefs of Defense reaffirmed support for Ukraine in a virtual meeting led by Gen. Alexus Grynkewich, joined by Gen. Dan Caine and all 32 allied leaders.

Ukrainian President Zelenskyy and other European leaders will meet with President Trump at the White House today after Trump's summit with Russian President Putin on Friday. NBC News' Yamiche Alcindor and Richard Engel report the latest.

Ukrainian officials say more than 19,000 children have been unlawfully deported to Russia or occupied areas, with reports suggesting the number could be far higher.

NATO defense chiefs have discussed potential security guarantees for Ukraine to help end Russia's three-year war.