By Michelle Nichols and Daphne Psaledakis UNITED NATIONS/WASHINGTON (Reuters) -A U.S.-backed humanitarian organization will start work in Gaza by the end of May under a heavily-criticized aid distribution plan,

A plan initiated by Israel to use private companies – instead of the UN and aid groups – to transport aid into Gaza was set to begin operations at the end of May. The US-backed Gaza Humanitarian

A group of American security contractors, ex-military officers and humanitarian aid officials is proposing to take over the distribution of food and other supplies in Gaza based on plans similar to ones designed by Israel.