July 11 (UPI) -- At least 15 Palestinians were killed, including 10 children and two women, in an Israeli airstrike as they waited in line outside the clinic of a U.S.-health non-profit in central Gaza . The attack on Thursday came as families gathered awaiting the opening of the facility in Deir Al Balah to access treatment for malnutrition, infections, chronic illnesses and other conditions, Project HOPE said in a post on X . "Project HOPE's health clinics are a place of refuge in Gaza where