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Tetiana Vyshniak, known as Mama Tania, spent four years campaigning for the release of her son Artem, an Azovstal defender captured by Russian forces during the 2022 siege of Mariupol. After more than 400 rallies, he was freed. Hundreds of Azov fighters and thousands of other Ukrainians remain held by Russia, and Vyshniak continues to campaign alongside families still waiting for their loved ones, the Kyiv Post reported.