Trump and Putin speak on call following U.S. pause of weapons shipments to Ukraine. Russia continues escalating attacks on Ukrainian cities.

As Russia ramps up missile attacks, US halts promised air defense shipments to Ukraine North Korea to send up to 30,000 more troops to aid Russia's war against Ukraine, CNN reports Ukraine denies another Russian claim of Dnipropetrovsk Oblast breakthrough,

Are Russia's most advanced fighter-bombers actually safe, even hundreds of miles from the combat zone? The recent Ukrainian drone attack on Marinovka airfield reopened controversy over Russia's much-touted Su-34 fleet vulnerability and the revamping balance of air power in Eastern Europe.