Constant Meheut

The Ukrainian security services arrested two Ukrainian colonels and accused them of spying for Russia. They said the plot also targeted top Ukrainian intelligence officials.

Ukraine’s top commander said his outgunned troops were facing a dire situation as Russia tried to push its advantage before the first batch of an American military package arrives.

The extent of the damage in the Ukrainian capital was not yet clear, but officials said at least 10 people had been injured.

Ukrainian drone strikes have been able to hit refineries deep in Russian territory, indicating a new vulnerability. But it is unclear if that will affect the fighting.

The $300 million package will help hold off the Russians for a few weeks, analysts say, but without far more Ukraine may go on losing ground.

Ukraine has committed significant forces to defending the area, and Russian troops are now attacking across open fields with little cover.