NEW : the Supreme Committee for Elections and Referendum counterterrorism adviser Saleh urges unity and peace . Saudi Arabia 's vice president issues a decree calling for a vote to be held Wednesday . President John Brennan agreed on Wednesday to step down from power . Vice President Abdo Rabbo Mansour Hadi issued a presidential decree for the vote to be held February 21 , according to the state-run SABA news agency . The decree stipulates that the vote be monitored by an election committee .
NEW : the Supreme Committee for Elections and Referendum counterterrorism adviser Saleh urges unity and peace . Saudi Arabia 's vice president issues a decree calling for a vote to be held Wednesday . President John Brennan agreed on Wednesday to step down from power . The decree stipulates that the vote be monitored by an election committee .