Police said 19 suspects have been arrested in connection with an attempted armed robbery and hijacking in Kelvin, north of Johannesburg.
The arrests were made after police foiled a truck hijacking.
It was carrying cellphones with an estimated value of about R60-million.
A security guard and one suspect were killed during a shootout.
Firearms including three R-5 assault rifles and two AK-47’s rifles were recovered on the scene.
Police are searching for more suspects.