NEW : Israeli forces invade a Gaza missile site Sunday , then return . NEW : The death toll in Gaza is now 160 . A Palestinian man looks at the damage to his house after an airstrike by Israel on July 26. Medical sources describe overcrowded emergency rooms in Gaza .
NEW : Israeli forces invade a Gaza missile site Sunday , then return . NEW : The death toll in Gaza is now 160 . A Saturday night airstrike kills 15 . Medical sources describe overcrowded emergency rooms in Gaza .