An official of Kaduna State Vigilance Service who did not want his name mentioned said some students of the institution were also injured.
The official, who did not give details, said the incident occurred on Thursday night between 10.30 p.m. and 11:00 p.m.
Contacted on the matter, Malam Abdullahi Shehu, a spokesman for the institution, confirmed the incident, adding that management was trying to ascertain the exact number of people affected.
Similarly, Mohammed Jalige, spokesman for the Kaduna police command, also confirmed the incident.
Mr Jalige explained that he did not have details of the attack and promised to provide further information.