The leaked plan, which has since been revised to 19 points, initially demanded Ukraine make heavy concessions – including giving up territory in the east, capping the size of its military and agreeing to never join NATO – while asking Russia to barely give up anything.

NATO Secretary-General Mark Rutte says a US peace proposal has helped bring Kyiv and Washington closer together on the way toward ending the war between Russia and Ukraine, Europe's biggest and deadliest conflict since World War II.

The fresh attacks came amid renewed efforts at meetings in Geneva to secure a US-led peace deal acceptable to both Russia and Ukraine, despite Vladimir Putin showing no sign he wants the war to end.

Sen. Mitch McConnell, a staunch supporter of Ukraine, has warned the proposal to end the war with Russia could come with consequences.

NATO Secretary-General Mark Rutte joins 'Fox & Friends' to discuss reports that the U.S. and Ukraine are making progress on President Trump’s peace plan to end the war with Russia.

The world’s attention was fixed on talks between Ukraine and the U.S. in neutral Geneva over the weekend. Delegations from both countries have redrafted conditions of an earlier peace plan, which although it has not been officially released,

"It’s very easy to draw the wrong conclusions from the war in Ukraine," Drummond said, referring to slow progress on the front line, adding that a future conflict with a reconstituted Russian armed forces would be "fast paced" with a greater use of air power in the opening weeks.

Ukraine signaled that key sticking points remained in peace talks with the US after senior officials hailed progress in winning more favorable terms for Kyiv from a proposal backed by Donald Trump.