CHERNIHIV, Ukraine (AP) — Russian troops have left behind crushed buildings, streets littered with destroyed cars and residents in dire need of food and other aid in a northern Ukrainian city. The scenes of destruction give fuel to Kyiv's calls Thursday for more Western support to help halt Moscow's offensive before it refocuses on the country's east. Dozens of people lined up to receive loaves of bread, diapers and medicine from vans parked outside a shattered school now serving as an aid-distribution point in Chernihiv. Russian forces besieged the city for weeks before retreating. Ukrainian...