"The Russian military knows exactly where their drones are headed," Ukrainian President Volodymyr Zelensky said on Saturday.

Ukraine is considering intentionally downgrading mobile communication quality during Russian drone attacks, potentially restricting 4G and 5G access in specific areas.

"It is an obvious expansion of the war by Russia – and this is exactly how they act," he said. "Sanctions against Russia are needed. Tariffs against Russian trade are needed. Collective defence is ne...