Calls are growing for an investigation into one of the worst single tragedies to occur during Israel’s war with Hamas took, after scores of Palestinians were killed trying to access food aid in Gaza City on Thursday. At least 112 people were killed and 760 injured in an incident where Israel Defense Forces (IDF) troops used live fire as hungry and desperate Palestinian civilians were gathering around food aid trucks, according to the Palestinian Ministry of Health in Gaza. CNN is unable to independently confirm these numbers. The incident took place amid a backdrop of vast hunger and dire poverty...