Russia pummeled towns and villages in Ukraine's northeastern Kharkiv region on Monday, days after launching a surprise ground offensive over the border that has forced thousands to evacuate.
The Ukrainian army acknowledged Russia was "achieving tactical success" after launching a ground assault on Friday that has sparked the evacuation of almost 6,000 people.
But President Volodymyr Zelenskyy stressed Ukraine had sent in reinforcements, and that a "counterattack" was ongoing.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.