Russian warplanes, artillery widen attack, hit industry hub

An explosion is seen in an apartment building after Russian’s army tank fires in Mariupol, Ukraine, Friday. (AP Photo/Evgeniy Maloletka)

LVIV, Ukraine — Russia’s airplanes and artillery widened their assault on Ukraine on Friday, striking airfields in the west and a major industrial hub in the east, as Moscow’s forces tried to regroup from recent losses and their onslaught fast reduced crowded cities to rubble.