DEIR AL-BALAH, Gaza Strip   Malnutrition rates among children in the Gaza Strip have doubled since Israel imposed sharp restrictions on the entry of food in March, the U.N. said on July 15. New Israeli strikes killed more than 90 Palestinians, including dozens of women and children, according to health officials. Hunger has been rising among Gaza’s more than 2 million Palestinians since Israel broke a ceasefire in March to resume the war and banned all food and other supplies from entering Gaza,