Mass graves containing Palestinian bodies found in multiple Gaza locations; released Gazan prisoners report abuse by Israeli forces; humanitarians face “hostile” environment, Israel breaking promise to increase aid; “unprecedented” levels of contamination in northern Gaza; Israel announces tents to be built ahead of attack on Rafah; Israel obstructing UN probe, Israelis obstructing aid; Israel and Iran violated int’l law; West Bank deaths as Israeli settlers and military team up, more