Good morning, everyone. Welcome to cnn this morning. Its october 21st. Im amara walker. Im victor blackwell. Aid trucks have been allowed into gaza, but they warn those supplies are not enough. The needs are far higher. This morning the rafah Border Crossing between egypt and gaza opened. 20 trucks made it through before the crossing was closed again. According to the World Health Organization, they include medical supplies and food. Its been two weeks since hamas launched an attack on israel and now israel says its preparing for the next stages of war. Ground tanks are lined up. A Ground Incursion is looming. In Gaza The Hospital says israel has demanded the immediate evacuation of the building ahead of a possible air strike. The World Health Organization says such a demand would be impossible to carry out. The hospital currently houses around 12,000 displaced people plus, of course, hundreds of patients. And an American Woman and her teenage daughter are free now following their surp