WARNING: Video contains content that may be disturbing to viewers. Discretion is advised. The United Nations (UN) is calling for an urgent and independent investigation into mass graves found at two Gaza hospitals after Israeli forces withdrew. Palestinian officials are exhuming what they say are hundreds of bodies, many found in disturbing conditions. Israel says any allegations its forces are responsible are baseless and categorically false. All this as the world waits for Israel's ground assault on Rafah. Crystal Goomansingh reports. For more info, please go to https://globalnews.ca/video/10454395/gaza-mass-graves-sound-alarm-for-independent-un-investigation/ Subscribe to Global News Channel HERE: http://bit.ly/20fcXDc Like Global News on Facebook HERE: http://bit.ly/255GMJQ Follow Global News on Twitter HERE: http://bit.ly/1Toz8mt Follow Global News on Instagram HERE: https://bit.ly/2QZaZIB #GlobalNews #GlobalNational