school where hundreds of civilians were sheltering. local officials say around 400 women and children had taken refuge inside the school before it was bombed. the number of casualties is unclear but the city's mayor says hundreds might be dead. >> so david, talk about vladimir putin's strategy for those of us watching in the west. for those of us who actually do value human life. the ukrainians put in large letters children in russian where children are seeking shelter in mariupol, and they targeted it. children is used as a target. a reason to actually, oh, here's an opportunity russians think to kill a lot of children at one time. they did it again here. i'm sorry to be so ignorant, but what is the strategy there other