As a result , Bauchi and Kano combined their forces and launched an attack on Hamza .
This act became a threat to the peace and security of the neighboring emirates of Bauchi , Kano , and Zaria .
Bauchi and Kano combined their forces and launched an attack on Hamza .
This act became a threat to the peace and security of the neighboring emirates of Bauchi , Kano , and Zaria .