Ukraine says it has seized 1,000 sq km in Kursk offensive as Putin vows ‘worthy response’

Claim by Kyiv comes as Russian official admits Ukraine has seized 28 settlements during attack on border region

Ukraine's top commander says his forces have captured 1,000 sq km (386 square miles) of Russia's bordering Kursk region, while Russian President, Vladimir Putin, has vowed a worthy response" to the attack and ordered his troops to dislodge the enemy from our territories".

With Russia still struggling to repel the surprise assault a week after it began, Ukraine's top commander, Oleksandr Syrskyi, briefed President Volodymyr Zelenskiy by video link and said the advance into Russian territory was ongoing.