The African National Congress's (ANC's) National Executive Committee (NEC) is not reviewing ANC Youth League leader Julius Malema's disciplinary case, secretary-general Gwede Mantashe said on Sunday.

"The NEC is not a disciplinary committee and it did not pretend to be one this weekend," Mantashe said at a press briefing in Johannesburg after an NEC meeting.

"We appreciate the way that the National Disciplinary Committee handled that case to its finality."

Mantashe said that according to the party's constitution, such matters can only come before the NEC after appeal.

Malema pleaded guilty in his controversial disciplinary hearing. He was found guilty on Tuesday of undermining President Jacob Zuma. Three other charges, which included his singing of the "shoot the boer" song, verbally attacking a BBC reporter in a press conference and supporting Zimbabwe's ruling Zanu-PF party, where dropped in a plea bargain.

Asked if the ANC was worried about internal divisions, Mantashe added that the ruling party was "stable".

"There are no divisions within the ANC; when positions are highly contested before ANC or ANC Youth League conferences, that is democracy in action."

However, Mantashe said that the party was worried about "anarchy" and referred to an incident at the ANC Youth League's Polokwane conference when delegates walked away from each other after failing to agree.

Mantashe added that the NEC was "very proud" that in the next 26 days South Africa would have the honour of hosting the biggest sporting event in the world, the FIFA World Cup.

He said that without the visionary leadership of the ANC, and sacrifices of the masses of South African people, the country would not be hosting the World Cup.

"The World Cup has indeed excited our people and inspired them with a lot of hope. It has unleashed the energy and creativity of all sectors of our society."

He called on all South African to embrace the World Cup, saying that it was a product of "our efforts and an affirmation of our freedom".

Mantashe said that the ANC re-affirmed its responsibility of building a united, non-racial, non-sexist and democratic South Africa.

"Over the past two years, the ANC stepped up its engagement with minority communities, with the Afrikaner community using this space more aggressively."

Mantashe said that this was so because the Afrikaner community is organised in many sectors.

He paid tribute to anti-apartheid activist Sheena Duncan and Afrikaans leader Frederik Van Zyl Slabbert, whom he called a "true patriot and a bridge builder".

Duncan died in her home last Tuesday, while Slabbert died on Friday.