Across eastern Ukraine, Russia’s tiny gains are adding up. It is capitalizing on a series of small advances and throwing significant resources into an emerging summer offensive, one that risks reshaping control over the front lines.

The attack was the latest in Russia’s escalating air campaign that has targeted Kyiv and dozens of other cities across Ukraine with thousands of drones and missiles in the past few months. It came three days into a 10-day ultimatum given by Trump to Russian leader Vladimir Putin to agree a ceasefire in Ukraine or face tighter sanctions,