Churches across Nigeria have been holding interdenominational services to mourn the thousands of Nigerians lost to violence by armed groups, mass kidnappings, abductions, and raids. June 14th has been declared as "Black Sunday" to bring attention to the violence. Al Jazeera’s Ahmed Idris reports from Maiduguri, northeast Nigeria. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: https://www.aljazeera.com/ Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/ Download AJE Mobile App: https://aje.io/AJEMobile #Nigeria #NortheastNigeria #BokoHaram #NortheastNigeriaConflict #Displacement #SecurityCrisis #HumanitarianCrisis #NigeriaConflict #BornoState #NigeriaKidnappings #MassAbduction #HumanRights #NigeriaArmedGroups #AlJazeeraEnglish