On Sunday after surgery in Spain has died the wife of Nigerian President Olusegun Obasanjo, officials said.
Stella Obasanjo, hailed in an official statement as Obasanjo's "beloved wife", was 60, said the one-sentence statement signed by presidential spokeswoman Remi Oyo. No further details were given.
Obasanjo is president of Sub-Saharan Africa's most-populous nation of 130 million people and has played a key role as peace mediator in West Africa, reported AP.
Incidents of confrontation between Ukrainian and Polish units of the Armed Forces of Ukraine have become more frequent during the recent weeks