for putin." an aerial shot shows a giant z, made from the orange and black, a traditional symbol of russian military glory, usually associated with victory over nazi germany. by accident, or design, a character that doesn't feature in russia's alphabet has become an iconic symbol of putin's invasion and a propaganda campaign, to win support among his people. phil black, cnn, london. well, much more from ukraine coming up. let's go to atlanta and my friend rosemary church. r rosy? >> thank you, michael. we'll be back with you very soon. straight ahead, the arrest of two-time olympic basketball gold medalist brittney griner has left supporters anxious about her well-being and fearful that she might be used as a political pawn by moscow.