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Kyiv is aiming to make the Russian public feel the war's consequences and pressure Russian President Vladimir Putin into negotiating a peace settlement. Putin has so far shown no signs he intends to stop the invasion.
Instead, Moscow and Kyiv have been drawn into an escalating duel of long-range aerial strikes as fighting along the roughly 1,250-kilometer (780-mile) front line in eastern and southern Ukraine has slowed, restricted by large numbers of drones and ground robots threatening troop movements.