Updated

A senior United Nations official told the BBC that Ukraine faces its toughest winter yet since Russia's full-scale invasion began, citing damage to power and water infrastructure from continued Russian strikes. The official described a race against time to restore and protect essential services before harsh winter conditions set in. The warning underscores the deepening humanitarian toll of the war as it approaches its fifth winter, with millions of Ukrainians at risk of losing access to heating, electricity and clean water.