Shivering in her apartment after Russian strikes knocked out the heating, 91-year-old Lidia Teleschuk said she couldn’t remember a winter this harsh since World War II.

Russia has this month stepped up its strikes against Ukraine’s power and heating infrastructure, plunging Kyiv residents into darkness and cold as temperatures dropped as low as minus 20 degrees Celsius.

“In 1942, it was even worse,” Teleschuk said.