TEL AVIV — An NBC News investigation into seven deadly airstrikes has found Palestinians were killed in areas of southern Gaza that the Israeli military had explicitly designated as safe zones. The attacks took place from January to April, as Israel’s military bombarded Rafah from the air and Prime Minister Benjamin Netanyahu’s government signaled its intent to launch a full-scale ground invasion on Gaza’s southernmost city, which has now swelled to more than 1 million people. Watch more on... Read this story