The ANC delivered a memorandum aimed at mobilising South Africans against all forms of discrimination.

JOHANNESBURG - The African National Congress (ANC) has delivered a memorandum to government aimed at mobilising South Africans against all forms of discrimination.

Thousands of supporters marched to the Union Buildings in Pretoria today calling for a non-racial, united and democratic South Africa. LISTEN: ANC spokesperson Zizi Kodwa explains purpose of march.

The ruling party leaders have called for citizens to put a stop to racism.

ANC Deputy Secretary General Jessie Duarte says South Africa's freedom did not come easy and they will not stand and watch as racists destroy the country.

"Racism and related intolerance weaken our fragile social fabric and undermines social cohesion."

Minister in the Presidency Suzanne Shabangu says government welcomes the memorandum.

"This memorandum follows upon what the president called on South Africans that we must unite against racism."

ANC Leaders from different provinces have addressed the thousands gathered, calling on citizens to play their part in building a South Africa that is truly liberated.

#ANCmarch Minister in the Presidency Susan Shabangu receives and signs the memorandum. MR pic.twitter.com/E2qqZe6CqQ — EWN Reporter (@ewnreporter) February 19, 2016

MAKHURA BLASTS OPPOSITION

Meanwhile, Gauteng Premier David Makhura has accused the entire leadership of the Democratic Alliance (DA) of being racist and the Economic Freedom Fighters (EFF) of being an "unruly group".

Makhura made accusations against executive members of the DA and EFF the crowd yelled in agreement.

He asked, "Which party has more racists in its ranks?"

The crowd responded, "The DA!"

He added, "Which party is a party of chaos?"

To which they responded, " The EFF!"

The premier has warned racist South Africans - and the official opposition - that the ruling party is coming for them.

"In this province we want to teach them a lesson."

The party and its supporters have raised concerns about recent incidents of racism on social media - including a Facebook post by Penny Sparrow - and Twitter comments by Gareth Cliff and Chris Hart.