The wife of Nigerian President Olusegun Obasanjo died Sunday after undergoing surgery in Spain, and an autopsy will be performed on her body, officials said. Stella Obasanjo, described as Obasanjo's "beloved wife," was 60, said the one-sentence statement signed by presidential spokeswoman Remi Oyo. No further details were given, the Associated Press reported. The Spanish Foreign Ministry said Obasanjo's wife died Sunday morning at a hospital in the southern resort city of Marbella, where she had been on a private visit.