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.

The U.S. move affects high-demand munitions, including Patriot missiles, the AIM-7 Sparrow air-to-air missile and shorter-range Stinger missiles.

Ukrainian authorities are enlisting European help to increase domestic military production as the United States pauses some weapons shipments to Ukraine

The United States said it would pause the delivery of some weapons to Ukraine as the Pentagon conducts a review of its munition stockpiles.