On Tuesday, U.K. Prime Minister Keir Starmer hailed the possibility of NATO-backed security guarantees as a “breakthrough,” noting that the U.S. was now working “at pace” with 30 or so other countries, which he called a “coalition of the willing,” to help Ukraine.

Ukraine will hold intensive meetings to understand what kind of security guarantees its allies are willing to provide after receiving signals that the United States would back reinvigorated discussio...

Russia's Foreign Minister Sergei Lavrov warned that "seriously discussing security guarantees without the Russian Federation is a utopia, a road to nowhere".

After a week of summits around peace for Ukraine, Russia is holding firm to its demands. While the White House suggests that progress is being made on a deal, Russian observers say the Kremlin is content to wait Kyiv out.

Vladimir Putin is demanding that Ukraine give up all of the eastern Donbas region, renounce ambitions to join NATO, remain neutral and keep Western troops out of the country, three sources familiar w...

Ukraine and its European allies have been buoyed by Trump's promise during a summit on Monday of security guarantees for Kyiv, but many questions remain unanswered.