After weeks of ferocious fighting, Ukrainian forces have begun retreating from a besieged city in the country’s east to move to stronger positions, a regional official said Friday, the four-month mark in Russia’s invasion.
The planned withdrawal from Sievierodonetsk, the administrative center of the Luhansk region, comes after relentless Russian bombardment that has reduced most of the industrial city to rubble and cut its population from 100,0000 to 10,000. Ukrainian troops fought…