fleeg fleeing as israeli troops expand to hamas. hello, john. >> reporter: shannon, today was the bloodiest day so far in the 13 days since operation protective edge started. in the three days since the ground offensive started, at least 84 palestinians, we're hearing some explosions in the background, by the way -- at least 84 palestinians were killed here in gaza, at least 60 in one neighborhood alone in east gaza. we went to that neighborhood just an hour or two hours after the fighting ended to get a look for ourselves. here's what we saw. this is all just gut-wrenching to see. just utter destruction. everything has been destroyed. this home, what used to be a home. people's bed sheets still there, i'm seeing clothing, shoes. what used to be probably the living room or kitchen. we saw the show, we heard the