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Ukraine has set its sights on freeing all territory occupied by invading Russian forces after driving them back in a speedy counteroffensive in the north-east. In an evening address, Ukraine president Volodymyr Zelenskiy said about 8,000 sq km (3,100 square miles) have been liberated so far, apparently all in the north-eastern region of Kharkiv. “Stabilisation measures” had been completed in about half of that territory, Zelenskiy…
