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U.S. intelligence document shows Russian naval blockade of Ukraine

By Shane Harris

24 May 2022 · 6 min read

Newly declassified U.S. intelligence shows that a Russian naval blockade has halted maritime trade at Ukrainian ports, in what world leaders call a deliberate attack on the global food supply chain that has raised fears of political instability and shortages unless grain and other essential agricultural products are allowed to flow freely from Ukraine.

Russia's navy now effectively controls all traffic in the northern third of the Black Sea, making it unsafe for commercial shipping, according to a U.S. government document obtained by The Washington Post.

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