A UN team authorised over a year ago to investigate the massacre of the Yazidi minority and other atrocities by jihadists in Iraq will finally begin work early next year, the head of the investigation says.

Denis Mukwege, a doctor who helps victims of sexual violence in the Democratic Republic of Congo, and Nadia Murad, a Yazidi rights activist and survivor of sexual slavery by Islamic State, won the 2018 Nobel Peace Prize yesterday.