Russia widened its military offensive in Ukraine on Friday, striking airfields in the west and an industrial city in the east for the first time as a huge armored column long stalled outside Kyiv was on the move again, fanning out into nearby forests and towns.

The U.S. and its allies prepared to step up their efforts to isolate and sanction Russia by revoking its most favored trading status. But with the invasion now in its 16th day, Russia appeared to be trying to regroup and regain momentum, with expanded bombardment and tightening on cities already under attack, particularly the key port city of Mariupol, where tens of thousands were struggling to find food under an intense 10-day-old siege…

For his part, Ukrainian President Volodymyr Zelenskyy said Ukrainian forces had “reached a strategic turning point,” speaking in a video outside the presidential administration in Kyiv

“It’s impossible to say how many days we will still need to free our land, but it is possible to say that we will do it because … we have reached a strategic turning point,” he said, He didn’t elaborate. He said authorities were working on 12 humanitarian corridors and trying to ensure food, medicine and basic goods to people across the country.