The Group That Searches for Missing Ukrainian Children

WASHINGTON — When the Russian Army took Kherson in southern Ukraine, the occupation authorities offered 16-year-old Anastasia a chance to go to Crimea, a holiday away from war, the officials told her mother.

But as days became weeks, Anastasia realized that she had not been given a vacation and that the Russians might not let her return home.

It was only when a nonprofit group, Save Ukraine, sent Anastasia’s mother on a bus to find her that she was able to get out. They now live in a…