Sean Moncrieff went to Kyiv ahead of the one-year anniversary of the Russian invasion of Ukraine.
One of the people Sean met whilst there was the director of the municipal security department of the Kyiv administration. He explains how sirens from World War II are used, alongside modern smartphone apps to alert those in the region.
One of the people Sean met whilst there was the director of the municipal security department of the Kyiv administration. He explains how sirens from World War II are used, alongside modern smartphone apps to alert those in the region.
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