newsMarch 3, 2022, was the last time anyone saw Arina. She’s one of 345 Ukrainian children who have disappeared since Russia launched its full-scale war. by TheWorldsNewsMarch 6, 2023 Share0 A week after Russia invaded, the family of 15-year-old Arina Yatsiuk decided to flee their home near the Ukrainian capital by car. Less than 10 miles down the road, they encountered a group of Russian troops.