Ukrainian and Russian forces were entrenched in eastern Ukrainian battlegrounds on Wednesday, a day of commemoration in both countries to mark the anniversary of Hitler's invasion of the Soviet Union in 1941.
Fighting in the months-long war has favoured Russia in recent weeks because of its huge edge in artillery firepower, a fact Ukrainian President Volodymyr Zelenskiy acknowledged in a late Tuesday address.
"Thanks to tactical manoeuvres the Ukrainian army is strengthening its defences in the Luhansk region," he said.
"That is really the toughest spot. The occupiers are also pressing strongly in the direction of Donetsk." Luhansk and Donetsk
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