Given Russian President Vladimir Putin's "refusal to end this senseless war, Treasury is sanctioning Russia's two largest oil companies that fund the Kremlin's war machine.

After Putin convinced President Donald Trump to hold a head-to-head summit in Budapest, it took less than a week for it to fall apart.

“We can all see that Putin continues to choose violence and destruction."

By Dmitry Antonov, Pavel Polityuk and Simon Johnson MOSCOW/KYIV/LINKOPING, Sweden (Reuters) -Russia said on Wednesday it had carried out a major training exercise involving nuclear weapons, a day after the United States announced a delay in plans for a second summit between presidents Vladimir Putin and Donald Trump on the war in Ukraine.

EU leaders will look Thursday to greenlight a potential mammoth new loan for Ukraine using Russian frozen assets, in a bid to bolster Kyiv as US President Donald Trump vacillates on peace efforts with Moscow.

Donald Trump has said he did not want a "wasted meeting" after a plan to have face-to-face talks with his Russian counterpart Vladimir Putin about the war in Ukraine were put on hold.