Local civilians walk past a tank destroyed during heavy fighting in an area controlled by Russian-backed separatist forces in Mariupol, Ukraine, Tuesday, April 19, 2022. Taking Mariupol would deprive Ukraine of a vital port and complete a land bridge between Russia and the Crimean Peninsula, seized from Ukraine from 2014. (AP Photo/Alexei Alexandrov)
Russia assaulted cities and towns along a boomerang-shaped front hundreds of miles long and poured more troops into Ukraine on Tuesday in a potentially pivotal battle for control of the country’s eastern industrial heartland of coal mines and factories.