The CP urged residents to remain vigilant and to provide timely, credible information to security agencies for prompt action.
The spokesperson added that the number of persons who died in the incident later rose to 24.
The command urged residents not to panic if they hear gunshots during the training period.
Ms Isah said three suspects were arrested on Monday for allegedly stealing two cows in Ruba village of Kafinhausa local government area.
Muhammed Mustapha, 25, was riding his horse when he lost control of the horse and knocked down the elderly man.
