Baqubah (IraqiNews.com) An Islamic State militant who was in charge of handling mails belonging to the group’s supreme leader was killed by security forces in Diyala province, local officials said.Alsumaria News quoted officials at the security committee at Diyala province council saying that IS supreme leader Abu Bakr al-Baghdadi’s “mail man”, an Iraqi national, was killed in an ambush set for him in Beldrouz region (30 Km east of Baqubah).