Phelekezela Mphoko , the Second ( and only sitting ) Vice-President at the time of Mugabe 's resignation on 21 November 2017 , he may have been acting President of Zimbabwe for three days until Mnangagwe 's accession to the presidency .
Phelekezela Mphoko , was the Second ( and only sitting ) Vice-President at the time of Mugabe 's resignation on 21 November 2017 . 
 Mphoko may have been acting President of Zimbabwe for three days until Mnangagwa 's accession to the presidency .