This is cnns live coverage of israel at war. Im wolf blitzer in washington along with sara sidner in tel aviv. Theres Breaking News were following this hour. Americans and others stuck in warravaged gaza are on alert to evacuate potentially at any moment. The State Department is urging u. S. Citizens to move closer to the rafah border in the southern part of Gaza Crossing from Gaza Into Egypt in case it opens up with little notice. Local media reported earlier that egypt was not, repeat not, allowing american citizens through the crossing. More than 1 million civilians in the northern part of gaza are under israeli orders to flee to the south, an evacuation the United Nations is calling impossible. The humanitarian crisis is escalated amid widespread destruction and a mounting death toll in gaza now rising above 2200. Its been a full week of punishing israeli air strikes in response to the horrific and deadly hamas Terror Attack on israel last weekend that killed some 1300 people. The