If he is not recalled by his party this week or removed by parliament, he will continue to serve as the country's president until mid-2019 when his second five-year term comes to an end.
The party's "top-six" leadership team is due to meet Zuma later on Sunday, party secretary-general and top-six member Ace Magashule told local media including news channel eNCA and the City Press newspaper.
"They are saying as the ANC top six it would be ideal to deal with it before he faces a vote of no confidence".
Freight train vs. Amtrak crash kills 2 and hurts 116
An engineer told the National Transportation Safety Board he had mistaken a signal and started braking seconds before derailing. The train was travelling from NY to Miami when it hit the goods train, causing its lead engine and several carriages to derail.
These opposition maneuvers, whose desire is to put Zuma out of the presidential chair as soon as possible, occur amid charges of alleged corruption against the head of State that come back to public light after the National Prosecution annulled a ruling of the High Court of Justice which had rejected those charges.
Although Mr Zuma retains the support of a faction within the ANC, he no longer holds a top post. Zuma has denied any wrongdoing.
Mr Ramaphosa, the deputy president, defeated Mr Zuma's preferred candidate, Nkosazana Dlamini-Zuma.
Fighting flares in Yemen's Aden after separatist 'coup' attempt
Yemen's presidency on Monday condemned recent developments in southern Aden province, describing them as "tantamount to a coup". Saudi troops who have been guarding the palace for months stopped the separatists at the gate, preventing them from entering.
Another opposition party, the Democratic Alliance (DA), had lobbied speaker Mbete to postpone the state of the nation address until Zuma had been removed from office.
According to what was informed, the claim of Zuma will be examined by prosecutor Moipone Noko, who heads the group considering the document and will make recommendations to the national director of that organ, Shaun Abrahams, about whether the president should be tried.
In the letter‚ Malema rejects Mbete's decision to hold the motion of no confidence against Zuma on February 22.
Explosions, Gunfire Reported Near Military Academy In Kabul
The resident said additional smaller blasts could be heard at frequent intervals following the larger explosions. One soldier had been killed and three were wounded, said one official, who declined to be identified.
These include‚ among others‚ surveillance of members of parliament‚ Zuma's call that the most recent motion of no confidence‚ in which several ANC MPs voted for his removal‚ be done by an open ballot and Friday's threat of a civil war by the "Hands Off Zuma" campaign - led by Black First Land First and Unemployed People's Trust.