Expert describes erecting of Nigerian political billboards in Ghana as political invasion An International Relations Expert and Security Analyst, Irbad Ibrahim has described the mounting of Nigerian political billboards in Ghana as a political invasion. To him, the move is unacceptable and should not be condoned. Speaking to Radio Ghana, Irbad Ibrahim said the fact that a number of Nigerians reside in Ghana, does not warrant the mounting of giant billboards to campaign for a particular candidate in Nigeria's upcoming elections. He said this has serious security implications. GBC