An Ukrainian national flag flag waves over the center of Kharkiv, Ukraine’s second-largest city, Friday, Feb. 4, 2022. (AP Photo/Evgeniy Malolet

An Ukrainian national flag waves over the center of Kharkiv, Ukraine's second-largest city, Friday, Feb. 4, 2022. (AP Photo/Evgeniy Maloletka)

An Ukrainian national flag flag waves over the center of Kharkiv, Ukraine’s second-largest city, Friday, Feb. 4, 2022. (AP Photo/Evgeniy Maloletka)