Canada has announced a second contribution to the the Prioritized Ukraine Requirements List (PURL) fund of more than $200 million. The mechanism was established by NATO to buy U.S.-made weapons after President Donald Trump said he was no longer interested in donating military equipment to Ukraine.

Italy’s foreign minister said it would be “premature” for his country to participate in a NATO program to buy US weapons for Ukraine in light of ongoing peace negotiations.

NATO Secretary-General Mark Rutte brushed off fresh concern Tuesday about the United States’ commitment to the military organization on the eve of a meeting of allied foreign ministers focused on Russia’s war against Ukraine.

NATO’s secretary general referenced the recent explosion on a Polish train route used by allies for delivering weapons to Ukraine.

NATO countries pledged Wednesday to buy hundreds of millions more dollars of US arms for Ukraine, as Russian President Vladimir Putin was told to end his "bluster" and get serious on peace talks.

Meetings between Russian President Vladimir Putin and US negotiators did not yield a breakthrough on a possible Ukraine peace deal as the Trump administration ramps up pressure on Venezuela. Follow for live updates.

The U.S.’s latest efforts to end the conflict between Ukraine and Russia have jolted the trans-Atlantic alliance.

U.S. Secretary of State Marco Rubio plans to skip a meeting of NATO foreign ministers in Brussels next week, two U.S. officials said, in a highly unusual absence of the top U.S. diplomat from a key transatlantic gathering.