Estonia is warily watching Russia and learning from Ukraine. It is now pursuing six more HIMARS, saying deep strike abilities are key.

Ukraine has agreed to a peace deal that would lead to the end of the war with Russia, a U.S. official told FOX News.

Ukraine and its European allies will insist that discussions with Russia on any territorial swaps can only take place once the war ceases along the current line of contact, according to people familiar with a counter-proposal that will be presented to the US later today in Switzerland.

Russian President Vladimir Putin said that a US plan to end the war in Ukraine could “form the basis for future agreements” but renewed threats to seize more territory by force unless Kyiv withdraws.

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.

German Foreign Minister Johann Wadephul warns that intelligence shows Russia may attack NATO by 2029, citing Moscow's military buildup and economic shift toward war.

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.

A Putin ally has called for more detail in Trump's peace plan for Ukraine. Follow Newsweek's live coverage of the war.

Marco Rubio said the talks were “very worthwhile” and constituted the most productive day in “a very long time.”

Former U.S. Ambassador to NATO Kurt Volker joins 'Fox & Friends' to discuss the tense peace negotiations between the U.S., Russia and Ukraine, and how the U.S. can apply more economic and military pressure on Russia to force a peace deal.