A female bomber detonated a bomb killing herself and two students at Kano State Polytechnic, Central administration, along BUK road.
Kano state Police Commissioner Adenrele Shinaba who confirmed the blast at the scene noted that a young female dress in dark hijab rammed into scored of graduating students who were checking their NYSC posting list detonated herself, killing two and injured 10 others.
Kano State Police Public Relations Officer, Magaji Majiya, confirmed that the bomb explosion took place at the Central Administration building of the polytechnic.
The explosion occurred as students queued to check their names on a new admission list, they added.
Bodies lay strewn at the blast site, witnesses told the BBC.
The bomber was hidden in the crowd, a witness, Isyaku Adamu, told the AFP news agency.