LAGOS, July 31 (Reuters) – Nigeria’s Senate president said on Tuesday he was leaving the country’s ruling party, a further blow to President Muhammadu Buhari months ahead of an election he plans to contest and just a week after a raft of defections.

Source: http://feeds.reuters.com/~r/reuters/AfricaNigeriaNews/~3/6qnfmLJ3SRM/idAFL5N1UR7IQ