Il Presidente di Zanzibar Ali Mohamed Shein

Zanzibar s newly-elected President Ali Mohamed Shein L reviews a guard of hounour at his swaering-in ceremony in Stone Town, Zanzibar, on March 24, 2016. Zanzibar s newly-elected President Ali Mohamed Shein called for unity and calm on March 24 after being sworn in following controversial re-run elections in Tanzania s semi-autonomous islands. AFP DANIEL HAYDUK Photo credit should read DANIEL HAYDUK AFP Getty Images

Il Presidente di Zanzibar Ali Mohamed Shein

Tanzanian president John Magufuli 2nd L and Zanzibar s newly-elected President Ali Mohamed Shein 2nd R attend Shein s swearing-in ceremony in Stone Town, Zanzibar, on March 24, 2016. Zanzibar s newly-elected President Ali Mohamed Shein called for unity and calm on March 24 after being sworn in following controversial re-run elections in Tanzania s semi-autonomous islands. AFP DANIEL HAYDUK Photo credit should read DANIEL HAYDUK AFP Getty Images

Il Presidente di Zanzibar Ali Mohamed Shein

Zanzibar s newly-elected President Ali Mohamed Shein R reviews a guard of hounour at his swaering-in ceremony in Stone Town, Zanzibar, on March 24, 2016. Zanzibar s newly-elected President Ali Mohamed Shein called for unity and calm on March 24 after being sworn in following controversial re-run elections in Tanzania s semi-autonomous islands. AFP DANIEL HAYDUK Photo credit should read DANIEL HAYDUK AFP Getty Images

Il Presidente di Zanzibar Ali Mohamed Shein

Zanzibar s newly-elected President Ali Mohamed Shein L is sworn in by judge Omar Othman Makungu R at a ceremony in Stone Town, Zanzibar, on March 24, 2016. Zanzibar s newly-elected President Ali Mohamed Shein called for unity and calm on March 24 after being sworn in following controversial re-run elections in Tanzania s semi-autonomous islands. AFP DANIEL HAYDUK Photo credit should read DANIEL HAYDUK AFP Getty Images

Il Presidente di Zanzibar Ali Mohamed Shein

Zanzibar incumbent President Ali Mohamed Shein speaks and shows his certificate from the Zanzibar Electoral Commission ZEC during a press conference in Stone Town, Zanzibar on March 21, 2016 right after the Zanzibar Electoral Commission ZEC announced that he won the Presidential election with over 90 percent of the vote. Election officials in Zanzibar on March 21, 2016 declared incumbent President Ali Mohamed Shein the winner of a weekend poll in Tanzania s semi-autonomous islands. Shein, of the ruling Chama Cha Mapinduzi CCM party, welcomed the announcement, a day after the presidential and legislative vote which was boycotted by the opposition. AFP DANIEL HAYDUK Photo credit should read DANIEL HAYDUK AFP Getty Images

Il Presidente di Zanzibar Ali Mohamed Shein

Zanzibar incumbent President Ali Mohamed Shein speaks during a press conference in Stone Town, Zanzibar on March 21, 2016 right after the Zanzibar Electoral Commission ZEC announced that he won the Presidential election with over 90 percent of the vote. Election officials in Zanzibar on March 21, 2016 declared incumbent President Ali Mohamed Shein the winner of a weekend poll in Tanzania s semi-autonomous islands. Shein, of the ruling Chama Cha Mapinduzi CCM party, welcomed the announcement, a day after the presidential and legislative vote which was boycotted by the opposition. AFP DANIEL HAYDUK Photo credit should read DANIEL HAYDUK AFP Getty Images