Police spokesperson for Kano state, Musa Magaji Majia said security personnel have been deployed to the area with a view to arrest the suspected gunmen.
He said motorcycle-borne militants rode into the area and shot in the air before shooting at their victims.
However, it is not yet confirmed whether the victims were the actual targets of attack.
"Although no arrest had been made, investigation had since commenced on the incident," Majia said.
Islamic sect Boko Haram has killed thousands of people in northern Nigeria. The group has promised to fight the Nigerian government until it concedes to its demand of allowing it to carve out an Islamic caliphate out of northern Nigeria.