With exclusive footage from the encircled city of Severodonetsk, ITV News tells the story of how the invasion of Ukraine has become a war of attrition and artillery.

Our team speaks to fighters in the Donbas region and witnesses a Russian attack on a residential building.

Oleksiy Arestovych, an advisor to the Ukrainian president, reveals how the country's armed forces believe the destruction of some cities in the country's east could lead to victory in the long run.

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