world lead utter devastation at a school in central gaza run by the united nations hospital workers in gaza say at least 40 people were killed by an israeli airstrike in the building where thousands were sheltering. as cnn's jeremy diamond der for its israel says it was targeting 20 to 30 hamas terrorists who were embedded with the civilians, taking shelter inside the school. we must warn our viewers the following report contains some disturbing video mohammad farajallah is still picking through the rubble of the airstrike that killed his brother. and alongside the blood spattered walls, he's still finding pieces of flesh. he believes they are his brothers won't be as you've been may his soul rest in peace? he says, i wish i died instead, there is no hope in this life at all mahmoud is the second brother mohammed has lost during the war. his third brother is in the hospital in critical condition. his skull