Russia steps up attack in Kyiv and Mariupol; Ukraine fights back and more

Russian troops bombed a theatre in Mariupol city on Wednesday, killing several, while hundreds more are reportedly trapped inside the building. According to officials, "more than a thousand", including children, were sheltering in the bombed Ukraine theatre. Heavy shelling and missile attacks in Ukraine's Mariupol have left thousands dead. Over 2,400 civilians have died in Mariupol so far, according to local media.