Movement for democratic change alliance
Biti seeks asylum in Zambia after being briefly arrested in Zim
A spokesman for Tendai Biti's party says Zimbabwean security agents earlier on Wednesday tried to arrest Biti on Zambian soil.
The court petition could disrupt plans for President Emmerson Mnangagwa's inauguration on Sunday.
They also include one of the principals of the alliance, MDC chairman Morgan Komichi and youth leader Happymore Chidziva.
Nelson Chamisa was meant to address a briefing on Friday afternoon to react to the announcement early on Friday morning that Emmerson Mnangagwa received 50.8% of the presidential vote.
Sixteen people have been taken to the central Harare Police Station after officers sealed off the office building.
The commission has confirmed it will start releasing preliminary results at 3 pm as and when they come in from various provinces.
The party held a press briefing on Wednesday, saying it wants to stop rigging during polls.
The party, led by Nelson Chamisa, has outstanding concerns over the printing, storage and distribution of ballot papers to be used in Monday’s election.