The Marine Infantry Command’s claims are the first to come directly from the Ukrainian military about advances across one of Russia’s most significant strategic barriers. Earlier this week, Andriy Yermak, head of the president’s office, confirmed for the first time that Ukraine had established a foothold on the eastern side of the river. The wide river is a natural dividing line along the southern battlefront and Moscow's forces have used it since leaving the area around the city of Kherson in November 2022 to prevent Ukrainian troops from advancing further toward Russian-annexed Crimea. Western officials with knowledge of intelligence, speaking...