itself was not hit. no reports of casualties so far but we will bring you more information as we get it. and with our crews on the ground working, as well, on this story. now, ukrainian authorities say russian attacks against civilians have increased in intensity in recent days. russian shells hit a big market in kharkiv near the russian border. it created a huge fireball. kharkiv's mayor says a rescue worker fighting the fire was killed. at least 21 people were reported killed in other attacks in the city. in chernihiv, at least 53 people have died since wednesday. rescue workers clearing bombing debris discovered the body of an entire family of five people. the youngest victim, 3 years old. and in the key coastal city of mariupol, survivors have started to emerge from the basement of that bombed-out theater we told you about over the last 24 hours and authorities say more than a thousand people were sheltering inside when it was hit by a