The police spokesman warned that any vehicle found violating the law would be impounded.
He said the attack occurred at about 11 a.m. on Saturday.
The police said that two residents sustained gunshot injuries during the attack.
The CP urged the officers to translate the knowledge acquired during the training into practical field operations,
Mr Aliyu added that efforts were being intensified to arrest the fleeing suspect.
The CP said that the command’s strategy of security Katsina would be built around a multi-faceted approach.
“Sadly, 21 persons were fatally shot as a result of the attack,” the police spokesman said.
The police spokesperson said the safety and well-being of the residents were important.
Mr Abubakar-Musa, at a press conference on Tuesday in Katsina, said that out of the figure, 855 cases were charged to court.
The commissioner appreciated the IG’s efforts in improving the welfare of the officers and men of the Nigeria Police Force.
