This statement suggests that Israel controls the borders of Gaza which also is part of a definition of Occupation. Therefore, there are specific obligations under International Law that Israel has to adhere to. Any guesses if they do so? Ensuring proper medical facilities. Ensuring enough food. Ensuring the population has adequate education for the children. If Israel doesn't want to live up to it's international responsibilities, get out of the way and let others help out.
Warplanes attack Houthi-controlled air base near Yemen's Aden (Reuters)
from the article: Israel to Europe: Stop your citizens from sailing to Gaza with aid