‘Sudan is an atrocities laboratory’, UN aid chief tells Berlin conference Countries reportedly pledged over $1 billion at the third International Conference for Sudan co-hosted by Germany, the African Union (AU), the European Union (EU), France, and the United Kingdom.  Senior UN officials delivered remarks, including humanitarian affairs chief Tom Fletcher who  said  that “Sudan is an atrocities laboratory,” citing sieges of cities such as El Fasher in Darfur, the denial of food, use of sexual violence as a weapon of war, and the targeting of schools and hospitals.  Civilians and aid workers killed   “ Drones have killed 700 people just this year, and 130 humanitarians have been killed over three years ,” he continued.  “I often have to call the families of those who died, and they always ask, did our family members die in vain?”  The war that…