Steve Witkoff says Vladimir Putin agreed at his summit with Donald Trump to allow the U.S. and European allies to offer Ukraine a security guarantee resembling NATO’s collective defense mandate.

After leaving Alaska, Trump says he would prefer to "go directly to a peace agreement" to end the war in Ukraine as he prepares to meet Zelensky on Monday.

Volodymyr Zelenskiy flies to Washington on Monday under heavy U.S. pressure to agree to a swift end to Russia's war in Ukraine.

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 Trump offered security guarantees to deter future Russian aggression. But the offer was vague, prompting Kyiv to seek clarity.

You can scroll back through this page to see how we’ve gathered eyewitness accounts of a runway collision at Manchester Airport, tracked Russian advances along the front line in Ukraine and dug into the data behind claims that deleting old emails can help save water.