Ukrainian authorities have been making urgent new efforts to open a viable humanitarian corridor to the besieged southern port of Mariupol, as Russian airstrikes targeted cities in the west in a significant widening of the scope of its campaign.
Hundreds of thousands of civilians remain trapped and under fire in Ukrainian cities, but the situation in Mariupol is especially dire. Ten days into Russia’s siege, its population has no access to electricity or mobile phone networks, and water and food are running out.
