But it's exactly what happened with Nigerian President Muhammadu Buhari. He left Nigeria in mid-January, with the country deep in recession and famine warnings in parts of the northeast. Vice President @ProfOsinbajo thanked President @MBuhari for the great confidence he reposed in him. In late 2009, Nigerian President Musa Yar'Adua went to Saudi Arabia for medical treatment and was never seen in public again. But Donnelly believes this situation is different, particularly since Buhari officially made Osinbajo acting president before he left for London.

Source: CBC News March 12, 2017 09:11 UTC