NATO aircraft scrambled from Romania following a large-scale Russian attack on across Ukraine overnight, including in the Odesa region near Danube River border with allied nation.

The second Oval Office meeting in six months between U.S. President Donald Trump and Ukrainian President Volodymyr Zelenskyy went off smoothly, in sharp contrast to their disastrous encounter in February.

Pentagon officials have been meeting European counterparts with a mission to create security guarantees for Ukraine, to help end the current war with Russia and to prevent a future one.

Trump says Kyiv needs to ‘fight back’ after Putin launches massive aerial assault - Zelensky hits out at ‘outrageous’ overnight attack involving 574 drones and 40 missiles

Russia said Wednesday attempts to resolve security issues relating to Ukraine without Moscow's participation were a "road to nowhere," and that much diplomatic work needs to be done before Vladimir Putin and Volodymyr Zelenskyy are ever in the same room.

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.

President Volodymyr Zelenskiy said on Thursday that large-scale Russian attacks overnight in various parts of Ukraine showed Moscow was avoiding negotiations about ending the more than three-year-old war.