The police in Kano on Monday warned troublemakers to stay off the streets following separate incidents involving the convoys of the state governor and the reinstated Emir Lamido Sanusi.
The police gave the warning in a statement issued by their spokesperson in the state, Abdullahi Kiyawa, on Monday.
The News Agency of Nigeria (NAN) reported that the incident involving the emir occurred when Mr Sanusi was returning from the Eid prayers.