Updated Mar 23, 2022 - World

In photos: Russia's invasion of Ukraine, four weeks in

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Firefighters sit amid debris in the area of a research institute, part of Ukraine's National Academy of Science, after a strike by drones that killed at least one, in northwestern Kyiv, on March 22.

Firefighters near debris at Ukraine's National Academy of Science, after a strike by drones killed at least one person in northwestern Kyiv on March 22. Photo: Fadel Senna/AFP via Getty Images

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