Insiders say the troubled party is being starved of funds to force a change in its leadership.
Members of the opposition Movement for Democratic Change are plotting to remove Morgan Tsvangirai as party leader.
With the latest results in from 119 constituencies, Zanu-PF has taken 76 seats and the MDC-T 43 in Zimbabwe's national election.
As early results start trickling in it has became clear that the major flaw in the elections lay in the voter's roll.
With Zimbabwe's national election taking place on July 31, we take a look at some of the pertinent questions and key players involved.
The Zimbabwe prime minister's party says it has lost faith in the country's electoral commission after the "chaotic and disorganised" special voting.
A large number of potential first-time voters unregistered after the three-week process.
Former intern at amaBhungane Owen Gagare has been arrested in Zimbabwe following an expose involving the Zimbabwean military and police.
Zimbabwe police have arrested a youth leader from Morgan Tsvangirai's party for allegedly undermining the authority of President Robert Mugabe.
A fair election with Morgan Tsvangirai party the outright winner is the most probable scenario, prime minister says.
Human rights lawyer Beatrice Mtetwa's bail hearing seemed to overshadow the plight of her clients, the four arrested MDC party officials.
Beatrice Mtetwa is paying the price of resisting authoritarianism - she is spending her third night detained in a Harare police cell.
Zimbabweans began voting in a referendum expected to adopt a new constitution that would clip presidential powers.
The ANC has once again promised to support Zanu-PF in Zimbabwe's upcoming elections, saying the party is knowledgable about the country's needs.
Discussions about a deal for the army and police must start now if the country is to experience a smooth transition in the event of an MDC win.
The campaign in Zimbabwe has been hampered by a lack of resources and scepticism about change.
A 12-year-old boy was burnt to death in eastern Zimbabwe in a suspected case of political violence ahead of a referendum next month.
After initially receiving a somewhat lukewarm reception, media self-regulation seems to be taking off in Zimbabwe.
Zimbabwe's warring political leaders have agreed on a constitutional compromise, starting a process that is expected to end in elections this year.
Elections and referendum are on hold as officials squabble, but issues will hopefully be resolved soon, writes Ray Ndlovu.