Americans say the U.S. has a responsibility to aid in Ukraine's defense. But the partisan gap on this issue has grown.

This is a photo collection curated by AP photo editors.

And only from the pressure of the world on Russia, from all efforts to strengthen Ukraine, our air defence, our forces - only on this depends when the war will end." 17:10:01 ...

Offensive operations by Russia’s army have increased across the front line, according to social media posts by Ukrainian ...