NATO

Outgunned but determined Ukrainian troops slowed Russia's advance and held onto the capital and other key cities. At least for now.

President Joe Biden has announced a new round of sanctions targeting Russia after its invasion of Ukraine, charging that Russia's Vladimir Putin "chose this war."

Russian troops have launched a wide-ranging attack on Ukraine as President Vladimir Putin cast aside international condemnation and sanctions.

A few dozen elite troops and equipment from the U.S. 82nd Airborne Division have landed in southeastern Poland near the border with Ukraine.

Russian officials have denied reports that Moscow sent Washington a written response to a U.S. proposal aimed at deescalating the Ukraine crisis.

Ukraine's leaders are seeking to reassure the nation that a feared invasion from neighboring Russia is not imminent.

The Pentagon says Defense Secretary Lloyd Austin has ordered about 8,500 U.S. troops on alert, preparing for deployment in the face of Russian activity near Ukraine.