We now know that that meeting was going to oust Zuma had he not resigned before then.
It was not immediately clear why Zuma had summoned the meeting a day ahead of schedule.
Zuma's response to the leaders was discussed at a meeting of the ANC's 26-member National Working Committee on Monday (Tuesday NZT), which chose to refer it to the NEC, the party said.
The presidency said later that Zuma would also be on duty at the annual Ubuntu Awards at the Cape Town International Convention Centre‚ which this year honours former president Nelson Mandela and celebrates South Africans who "play an active role in projecting a positive image of South Africa internationally". In South Africa, it has become known as "state capture".
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Firefighters could be seen climbing ladders hoisted against windows as they sought to reach residents inside apartments. Chen Chih-wei, 80, said he was sleeping in his apartment on the top floor of the building when the quake struck.
Sticking points could include concerns over possible prosecution for corruption allegations that remain against Zuma.
An anti-corruption group in South Africa is criticizing what it calls a "veil of secrecy" around talks aimed at securing the removal from power of President Jacob Zuma.
The ANC's top six most powerful officials met Zuma late on Sunday at his official residence in Pretoria but there was no announcement of the outcome.
But Zuma loyalists have said that the serving president should complete his second and final term in office, which would end when elections are held next year.
The ANC said it respected the right of citizens to protest in a disciplined and peaceful manner.
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Meghan's brother Thomas Markle jr has hit the headlines for the wrong reasons for allegedly holding a gun to his girlfriend's head a year ago .
Steenhuisen said uncertainty was bad for the country and disruptive for the business of Parliament, where the Speaker this week took the extraordinary step of postponing the president's annual State of the Nation address to allow the ANC to settle its leadership battle.
If the committee agrees to recall Mr Zuma, the BBC's Andrew Harding says, it would be very hard for him to resist.
Zuma, who's survived numerous efforts to remove him from office, faces the first no-confidence motion - brought by the opposition Economic Freedom Fighters - in parliament on February 22 without being head of his party.
"A vote of no-confidence is not desirable, under any circumstances". Ramaphosa also led South Africa's delegation to the World Economic Forum in Davos, Switzerland last month, mixing with heads of state and trying to assure investors that the country is emerging from the turmoil that briefly sent it into recession past year.
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He said no USA personnel or coalition members had been wounded, although one SDF fighter was injured in the confrontation. Those pro-regime vehicles and personnel who retreated across the river were not targeted, the official added.