In an abandoned tower block damaged by Russian shelling in Ukraine’s second city, Olga Kobzar plans to tough out winter for as long as she can without electricity, water, and central heating by lighting the gas stove in her kitchen for warmth. The 70-year-old, who lives alone in a devastated district of northern Kharkiv where the temperature can fall to -20 Celsius (-4 Fahrenheit), is at the sharp end of what Ukrainian officials say will be the grimmest winter in decades. She is the last remaining inhabitant of her tower block in the Saltivka district, around 30 km (20 miles) from the Russian border. Her neighbour’s flat was hit and others engulfed in flames, but hers is still intact, without basic utilities. “It would be a sin to leave this place,” she says, gesturing at shelves of old books and the portrait of […]