Mass grave believed to contain the remains of 80 members of Iraq's Yazidi minority executed by ISIS, has been unearthed east of Sinjar town, following an offensive against Isis by Kurdish forces retook Sinjar town on Friday in a two-day offensive backed by .airstrikes from the US-led coalition, which also cut a key supply route from Mosul to Raqqa Isis’s bastions in Iraq and Syria. Isis overran the Yazidi terrirority of Sinjar in .north west Iraq in August 2014 and began systematically killing, capturing and enslavingseveral mass Yazidi graves have already been uncovered in the area north of .Sinjar mountain, Sinjar-Iraq 04/12/2015