On 5 March 2016, The Zimbabwe Electoral Commission (ZEC) conducted a National Assembly by-election in Mhondoro-Mubaira Constituency. The by-election was necessitated by the fact that ZANU-PF invoked section 129 (1) (k) of the Constitution which states that a Member of Parliament’s (MP) seat becomes vacant when the MP ceases to belong to the political party of which he or she was a member when elected to Parliament and the political party concerned, by written notice to the Speaker of Parliament, or the President of the Senate, as the case may be, informs parliament of the same.:more