Ukraine: Have we reached a turning point in the war?
Ukraine's military has retaken thousands of square kilometres of territory near the north-eastern city of Kharkiv. The Russians are said to have retreated in haste and disarray, but they retaliated by shelling a large power plant, causing blackouts in Kharkiv, the country's second biggest city.
Is Ukraine's successful counter-offensive a turning point in the war? Could Ukraine win? Experts say Russia's president, Vladimir Putin, won't countenance defeat, and will escalate instead of retreating or suing for peace. Might Putin launch a tactical nuclear strike? Or use mobilisation or…
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