 Mu cegeranyo cashikirijwe ibimenyeshamakuru, iryo shirahamwe rivuga ko abantu 17bishwe abandi mirongo itanu barakomereka igihe abanywanyi bumugwi umwe ushaka ko ako karere kigenga bariko baragira imisi mikuru mu gisagara ca Onitsha, mu bumanuko bushira ubuseruko bwa Nigeria mu kwezi guheze. 