ACP Frank Mba has bowed out as the Public Relations Officer of the Nigerian Police Force. In a letter of appreciation he sent out this morning, Mr Mba expressed his gratitude to the media and the Nigerian people for contributing to his successful tenure. Mba, who was promoted to the rank of Assistant Police Commissioner in June, has been redeployed to Lagos State Command as an Area Commander, Area J. He is expected to hand over to the new Public Relations officer, DCP Emmanuel Ojukwu later today.