Two reported bodyguards filmed themselves brandishing an AK-47 while threatening to kill a dog.
The clip is believed to show two men who work for a member of the African National Congress.
According to the party, the men are part of the security detail for the ANC's regional secretary Bheki Ntuli.
The short clip shows the men sitting in a car while repeatedly threatening to kill a dog.
It starts with one man saying: "It's coming down for the dog today.
"The dog will die...b***h, a**hole."