Today, they reached a tentative agreement to let u. S. Citizens in Gaza Cross Over into egypt through this crossing. The window for that has come and gone, and is unclear at this time whether any americans were able to cross. There are an estimated 500 americans in gaza. Israel has told the 100 Million People in gaza to flee south before they begin the grand invasion for hamas militants. They will also be searching for hostages, hoping to bring them home safely. This is new video of israeli Prime Minister Benjamin Netanyahu visiting soldiers near the gazan border. Hes vowed mighty vengeance against hamas. As retaliation for the Terror Attack that unfolded a week ago. And we see news chief Foreign Correspondent Richard Engel brings us the latest from the gaza border. Israel says that its Offering Palestinian Safe Passage from Northern Gaza to the south. Israel is not stopping its airstrikes. Many today are focusing on southern gaza, where israel has told palestinians to go. Medical offi