Israeli forces pushed deep into the ruins of Gaza's northern edge on Monday to recapture an area from Hamas fighters, while in the south tanks and troops pushed across a highway into Rafah, leaving Palestinian civilians scrambling to find safety. Some of the most intense fighting for weeks is raging in both the north and south. Israeli operations in Rafah, which borders Egypt, have closed a main crossing point for aid, which humanitarian groups say is worsening an already dire situation....