Former U.S. Vice President Dan Quayle tells Sara Eisen at the CNBC CEO Council Summit that he does not understand why Donald Trump is not exerting more pressure on Vladimir Putin to end the war in Ukraine.

Russia's Investigative Committee said on Tuesday that it had launched criminal proceedings against a prominent journalist who heads a publication in neighbouring Latvia providing critical coverage of the three-year-old conflict in Ukraine.

Underground schools in Ukraine protect children from war, however, some children can't attend as they live too far away.

Richard Haass, President Emeritus of the Council on Foreign Relations, speaks with CNN’s Wolf Blitzer about what he’s expecting from President Trump’s phone calls with Russia’s Vladimir Putin and Ukrainian President Zelensky.

An International Monetary Fund monitoring mission started a new review of its $15.5 billion program to Ukraine on Tuesday, with discussions expected to focus on the war-torn economy and budget needs,

Ukraine's defense ministry said on Monday that it officially approved the combat use of the Krampus, a ground vehicle that fires thermobaric rounds.

Bridget Brink, an East Grand Rapids native and the former U.S. ambassador to Ukraine, recently resigned over policy disagreements with the Trump administration.