The latest on the Russia–Ukraine crisis, March 8. Click here for updates from March 7. Civilians Flee Ukrainian City as 1 Safe Corridor Opens Buses packed with people fleeing the Russian invasion in Ukraine began a procession along a snowy road out of one city Tuesday, as a new effort to evacuate civilians along safe corridors finally got underway. Previous attempts to lead civilians to safety have crumbled with renewed attacks. The route people took Tuesday out of the eastern city of Sumy was one of five promised by the Russians to offer civilians a way to escape the fighting. Video posted by the Ukrainian state communications agency showed people with bags boarding buses, but it was not clear how long the effort would last. “The Ukrainian city of Sumy was given a green corridor, the first stage of evacuation began,” the agency said on Twitter. Sumy is just 50 …