Russia-Ukraine war: What happened today (May 13)

Russian army Sgt. Vadim Shishimarin, 21, is seen behind a glass during a court hearing in Kyiv, Ukraine, on Friday. He is accused of killing a Ukrainian civilian. The first war crimes trial since Moscow

A roundup of key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

(Image credit: Efrem Lukatsky/AP)