How Russia's gradual gains in the face of fierce Ukrainian opposition have affected the front line in recent months.
On the war's fourth anniversary, Russia occupies 20 percent of Ukraine's territory, but the front line shifts slowly.
This interactive timeline of the war in Ukraine shows major attacks, key moments and how the battle lines have shifted in the four years since Russia's all-out invasion.
Ukraine-Russia war latest: Kyiv strikes key Russian oil hub ahead of Zelensky’s Paris talks with Macron - Ukraine continues ...
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