Report says two of the attacks were apparent suicide bombings carried out by suspected Islamist militants of the Boko Haram sect.
The first bomb was detonated under a flyover in Kawo killing 3 people who were riding in a bus. A second and third explosion went off at the 1st Mechanized Division of the Nigerian army and shortly afterwards a third explosion rocked the Nigerian Airforce base near.
The flyover connects both military bases. The Nigerian military has sealed off the scenes of the explosions making it difficult to verify the number of victim relating to the explosions.
Men of the National Emergency Management Authority (NEMA) and the Road Safety Corps were prevented from going near the scene of the bomb explosions as soldiers cordoned off the scene chasing away journalists and civilians.
The Nigerian army has not issued a formal statement about the incident, a move interpreted by reporters on the ground as a clever attempt to control information emerging from the attack and possibly cover up the number of casualties.
On Tuesday night, there were also exchanges of gunfire between security forces and suspected militants in Kano, another northern city.