Iraqi authorities said Sunday that they had exhumed the remains of 85 Islamic State group fighters and their relatives from a mass grave in the northern city of Mosul. The remains of 35 people killed between 2016 and 2017 were dug up on Saturday while 50 were found on Sunday and “work is ongoing”, said Hassan Wathiq al-Anzi, head of forensics in northern Iraq’s Nineveh province. Workers unearthed bones and skulls, placing them in black bags for transportation to the forensic department, an AFP correspondent said. It is the first announcement of a mass grave of IS fighters killed during the 201…