JOHANNESBURG - The uMkhonto Wesizwe (MK) Party "is deeply saddened by the passing of six members in a tragic accident, when the taxi they were travelling in burnt with them trapped inside," the party said in a statement.
Ten other party members were injured and rushed to local hospitals, said the party.
The accident occurred before noon on Saturday when the group was travelling to the event in Nkandla in Kwa-Zulu Natal province.
The MK sent their "deepest and most heartfelt condolences" to the victim's families.
Despite the tragic incident, "they died with their boots on in the frontline of the struggle for the economic emancipation of our people," the party said.