Zangazangan watan Yunin 12 a Nijeriya ta kasan ce zanga-zanga ce da za'ayi a watan yunin shekarar 2021 a Najeriya wacce National Association of Nigeria Students (NANS) wato kungiyar dalibai na kasar Najeriya suka dabbaka, saboda kara samun rashin tsaro da'a keyi a cikin kasar Najeriya, musamman ma ga dalibai a fadin Najeriya, wanda rashin tsaro ya samu da yawa daga cikin dalibai a fadin kasar, kamar wasu dalibai na greenfield da kuma sace dalibai a Jihar Neja, 12 watan yunin yayi daidai da bikin da za'a yi na murnan Dimokradiyya a Najeriya, saboda haka ne shugaban dalibai mai suna Sunday Asefon da shi da mambobin NANS suka dage cewa babu wani abin da ya dace a yi bikin Demokradiyya a Najeriya, saboda haka, sun ayyana wannan ranar mai zuwa a matsayin ranar zanga-zangar don yaki da rashin tsaro daya addabi dalibai a Najeriya. Shugaban kungiyar dalibai na NANS mai suna Kwamared Sunday Asefon yana mamakin abin da yan kasar Najeriya zasu yi ma murna a ranar 12 ga watan Yuni na ranar dimokradiyyar Najeriya, lokacin da ake kashe dalibai da 'yan kasa tare da sace su a kowanne rana.