Israel’s top ally the United States said it began air-dropping aid into war-ravaged Gaza on Saturday, as the Palestinian territory’s health ministry reported more than a dozen child malnutrition deaths. The start of the US relief operation came hours after President Joe Biden, who has pushed Israel to allow more aid in, announced the move and spoke of the “need to do more” after nearly five months of devastating conflict. It also comes as negotiations continue for a ceasefire between Israel and Hamas in the Gaza Strip, which has been under siege since October 7. “We conducted a combined humani…