The UN on Monday described the reports of mass graves in Gaza as “extremely troubling” and urged for an investigation into the sites where the grave is located. “Yet another reason is, if we needed one, for all of these sites to be fully investigated, in a way that is credible and independent,” Spokesman Stephane Dujarric said at a press briefing when asked about the uncovering of at least 283 bodies of people from a mass grave at the Nasser Hospital in the southern city of Khan Younis. Gaza’s Civil Defence agency said Monday that health workers had uncovered over 200 bodies in the past three …