The state-run Sunday Mail newspaper quotes Information Minister George Charamba as saying a cabinet meeting will go ahead as scheduled on Tuesday and that binding decisions will be made.
On Friday, Prime Minister Morgan Tsvangirai said the MDC was "disengaging" from ZANU-PF, though he stopped short of withdrawing from the government.
The prime minister called ZANU-PF a dishonest and unreliable partner and said the party has ignored last year's power-sharing deal.
Charamba was dismissive of the MDC's protest, saying President Robert Mugabe has been too busy with ceremonial duties to react.
Agencies
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See also Sydney Irresistible
Putting principles before profits
See also Sydney Irresistible
Putting principles before profits