World Cup organisers have distanced themselves from a protest by stadium security workers that occurred yesterday in Durban following the opening match in the city between Germany and Australia.
Around 500 safety stewards stormed through the Moses Mabhida Stadium three hours after the game hurling objects at the office of the security manager over a pay dispute.
Members of the Public Order Policing Unit were sent to intervene, before calm was restored in the early hours of this morning.
Injuries have also been reported, but no serious ones.
Local Organising Committee (LOC) chief communications officer, Rich Mkhondo, says they are fully aware of the matter, but insists it is not something directly linked to them.
"It's an employer-employee dispute over wages, that's all it is," Mkhondo said. "Our constitution in this country allows people to express their views when it comes to strike action.
"However, we do have a relationship with that company and we will continue negotiating with that company to make sure this kind of situation does not arise again.
"We will be investigating that (whether they were paid what they were promised) and everything else around the issue."
Mkhondo also confirmed the incident did not compromise the safety of fans.
He continued: "We wish to re-iterate the dispute happened three hours after the match and at no stage was the security of the spectators or anyone else at stake.
"This is an internal matter and we have convened a meeting between representatives of the stewards, the service provider and ourselves to make sure things are ironed out and we're not going to see a repeat of what happened."
FIFA distanced itself from an overnight claim that it had something to do with the incident, with spokesperson Nicolas Maingot, adding: "There were some reports which establish a link between FIFA and the wages of these stewards.
"That information is totally incorrect."
A statement from the South African Police Services (SAPS) said they were looking into the matter to try and avoid a repeat at the Durban stadium.
It read: ""A case of public violence has been opened and detectives will be viewing CCTV footage to identify suspects.
"Both the security company concerned and the South African Police Service have put contingency plans in place to ensure that the security of the next match that will be played in the Moses Mabhida Stadium will not be compromised."