The stepped-up attacks came ahead of an expected ground offensive that the U.S. fears could spark a wider conflict in the region. Example video title will go here for this video Israel escalated its bombardment of targets in the Gaza Strip, the military said Tuesday, ahead of an expected ground invasion against Hamas militants that the U.S. fears could spark a wider conflict in the region, including attacks on American troops. The stepped-up attacks, and the rapidly rising death toll of thousands killed in Gaza, came as Hamas released two elderly Israeli women who were among the hundreds of hostages...