BBC Ukraine Update - 12/04/2022

Ukraine's President, Volodymyr Zelenskyy, says tens-of-thousands of people are likely to have died during the Russian siege of Mariupol. And France has sent a forensics team to investigate suspected Russian war crimes. Here's your update from the BBC..

President of Ukraine Volodymyr Zelenskyy. Source: AAP Image/Ukrainian Presidential Press Office via AP