Gunmen killed six Red Cross workers on Wednesday in northern Afghanistan.

President Joe Biden and German Chancellor Angela Merkel are set to meet in Washington on Thursday in what is likely the European leader's final appearance at the White House before she steps down from her long-held position this fall.

Vinnytsia, a central Ukrainian town far from the front lines, has been struck by Russian missiles. The attack left at least 22 civilians including three children dead. CNN's Scott McLean reports from the scene.

Fighting in Ukraine has rounded on Donbas, a sprawling and beleaguered heartland region that has suffered years of conflict and now serves as the bloody stage on which Russia's war could be decided.