Cika wannan jumla: A ranar 22 ga watan Agustan 2014, 'yan bindigar Shia sun kashe a kalla mutane 73 a wani hari da suka kai wa masallacin Musab bin Omair na Sunni a ƙauyen Imam Wais (a arewa maso gabashin Bagadaza da kudu da birnin Baquba) na lardin Diyala, Iraki. Harin ya faru ne a lokacin Jumu'ah (sallar Juma'a) kuma a lokacin harin, akwai masu ibada kimanin 150 a masallacin. An kai harin ne a lokacin da
Arewacin Iraqi na hare-haren da kungiyar Islamic State ta Iraqi da Levant (ISIL) ta kai wa gwamnatin Iraqi. An zargi 'yan bindigar Shi'a da ke yaƙi tare da sojojin Iraqi a kan ISIL da kai harin. A shekarar 2020 wata kotun Iraki ta gano cewa mayakan ba su da laifi.