Zine El Abidine Ben Ali temporarily the (presidential) duties." However, this arrangement was very short lived, because early the following day (15 January 2011) the Constitutional Court of Tunisia determined that Ben Ali was not "temporarily unable" to exercise his duties and that the presidency was in fact vacant. The arrangements he had made with the Prime Minister before leaving the country were found to be unconstitutional under article 57 of the constitution. The country's constitutional court, the highest legal authority on constitutional matters, announced the transition saying that Fouad Mebazaa (the Speaker of Parliament) had been appointed interim president. Mebazaa took the oath in
Mohammed El Alaoui Mohammed El Alaoui "Sharif" Sidi Mohammed Alaoui (, born 7 July 1974 in Tangiers) is an Alaouite sharif and the current Chamberlain () of king Mohammed VI. He is reportedly a very close friend of the monarch, in addition to being his distant Alaouite cousin. Sharif Sidi Mohammed Alaoui is the son of "Sharif Moulay Zine El Abidine Alaoui" (Alaouite sharif and diplomat) and "Sharifa Lalla Oum Keltoum Alaoui". His mother Lalla Oum Keltoum is the daughter of "Prince Moulay El Hassan ben El Mehdi, the son of Sultan Mohammed IV (r. 1859-1873) and "Princess Lalla Fatima Zohra Azizia", the