Ukraine: What happened today, Wednesday, March 16?

Ukrainian President Volodymyr Zelensky virtually addresses the US Congress. Picture: J. SCOTT APPLEWHITE/POOL/AFP via Getty Images
Wednesday saw a "tentative" peace plan drawn up in the hopes that it might end the Russian invasion of Ukraine while president Volodymyr Zelenskyy addressed the US Congress.
Here are some of today's main points from the 21st day of violence.