Men of the Niger state police command have arrested a dismissed police officer, Usman Yohanna, in the state.   A statement released by the command’s spokesperson, Wasiu Abiodun, said on June 6, police detectives led by DPO Gawu Babangida Division while on patrol along Boyi-Sarkin Daku road, Gurara LGA, discovered an illegal checkpoint mounted by Yohanna who posed as an Inspector of Police and others currently at large.   When interrogated, the suspect claimed that he is a Police officer …