A yammacin ranar 11 ga watan Disamba, shekara ta 2020, an yi garkuwa da ɗalibai sama da 300 daga makarantar kwana ta sakandare ta maza a gefen garin Kankara, Jihar Katsina, arewacin Nijeriya. Wasu gungun ‘yan bindiga a kan babura sun kai hari a Makarantar Sakandaren Kimiyya ta Gwamnati, inda sama da ɗalibai 800 ke zaune, na sama da awa guda. A ranar 12 ga watan Disamba, sojojin sun ce sun gano maɓoyar ‘yan ƙungiyar a cikin wani daji sai suka yi musayar wuta da su. A ranar 13 ga Disamba, an ga wani jirgin sama kirar Beechcraft Super King Air 350i ISR wanda ba a san shi ba yana yin sintiri a yankin gabashin Kano domin neman ɗaliban da suka bata. Jirgin saman Super King Air 350i ISR ya tashi daga Yamai kuma ya zaga sararin samaniyar Kano sama da awanni 10. An bi diddigin jirgi na musamman wanda ba a gano shi ba ta amfani da kayan aikin sirri na sirri (OSINT), duk da cewa ya toshe hanyar sa ta Mode S don boye asalin sa.