Israel battled Hamas fighters still holed up in southern towns Monday and massed tens of thousands of troops near the Gaza Strip after vowing to defeat the Palestinian militant group whose surprise attack the shocked nation has likened to 9/11. Stunned by the unprecedented assault on its territory, a grieving Israel has counted over 700 dead and launched a withering barrage of strikes on Gaza that have raised the death toll there above 430. "We're still fighting," said military spokesman Richard Hecht as army forces battled holdout Hamas fighters for a third day in at least seven locations in southern...