660,000 Refugees Have Fled Ukraine  —  Video showed what appeared to be a rocket striking in front of an administrative building in Kharkiv.  At least seven people were killed, officials said.  In Kyiv, the capital's main TV tower was hit by a projectile.  —  Here's the latest on the war in Ukraine.

Russia-Ukraine live updates: Invasion escalates as convoy threatens Kyiv and Kharkiv is ‘surrounded’  —  Kharkiv remains under Ukrainian control but is “surrounded” by Russian troops, Kharkiv Mayor Ihor Terekhov told The Washington Post.  In Kyiv, residents are bracing for an all-out assault …

U.S. officials fear Putin's government may arrest Americans in Russia  —  Putin under increasing pressure amid protests, extreme sanctions  —  BRUSSELS — The U.S. government is concerned that the Russian government may retaliate for recent Ukraine-related sanctions by arresting American citizens …

In just 72 hours, Europe overhauled its entire post-Cold War relationship with Russia  —  Just last week, many European countries were still so somnolent about the threat Russia posed to Ukraine that Germany's spy chief was caught unawares in Kyiv when the Kremlin invasion started.