Zimbabweans are waiting to see what steps the military will take next after seizing control of the country.
President Robert Mugabe is said to be under house arrest but the whereabouts of his wife Grace, who was bidding to succeed him as President, are unknown.
South African ministers have been in the capital Harare meeting the army and political parties.
The Southern Africa development Community (SADC) regional bloc will hold emergency talks today.
The BBC reports that many analysts expect the sacked vice-president Emmerson Mnangagwa to takeover.
But the opposition MDC has announced that their leader Morgan Tsvangirai has returned to Harare fueling speculations about a political settlement.
Another opposition leader Tendai Biti called on the military to restore democracy.
President Mugabe, 93 has been in control of Zimbabwe since independence from Britain in 1980.
But the power struggle over who might succeed him, between Mrs Mugabe and her rival former vice-president Emmerson Mnangangwa, has split the ruling ZANU-PF party in recent months.