NEW : Doctor : iReport.com : about 30 percent of the At least 507 people dead at hospital are children . NEW : Some 25 Palestinians have been killed in the military operation . Doctor : `` people were dying before they got treatment '' 500 trucks bearing aid could not cross the Egypt - Egypt border on Sunday .
NEW : Doctor : about 30 percent of the At least 507 people dead at hospital are children . NEW : Some 25 Palestinians have been killed in the military operation . Doctor : `` people were dying before they got treatment '' 500 trucks bearing aid could not cross the Egypt - Egypt border on Sunday .