A 39-year-old man, Alawode Olaide is in police custody after his visitor, a 60-year-old American woman, Jacqueline Bolling Elton died in Warri, Delta State.
Elton was said to have arrived Warri on September 15 to spend time with Alawode Olaide.
They became friends through social media.
Reports indicate that on September 29, at 3:00 p.m., she suddenly took ill and was rushed to a private hospital in Otokutu. She was later referred to Central Hospital, Warri, where doctors confirmed her dead on arrival.
The incident was reported to the authorities, who visited the scene and placed Olaide in custody for interrogation.
Her remains have been deposited at the Central Hospital Mortuary for autopsy.
A source said, the case will to be transferred to the State Criminal Investigation Department (SCID) for further investigation.