Twenty-eight female guards were unfairly dismissed by a security company because the client‚ Metrora.
Two more people were arrested just hours after the Vaal Rand organised crime unit apprehended one of its members for possession of drugs.
The new arrests, of a 57-year-old man and a woman, 25, came after a constable attached to the Sebokeng organised crime unit was bust on Wednesday.
The 35-year-old policeman was found with 200 Mandrax tablets with an estimated street value of R8000. His Toyota Corolla in which the drugs were found was confiscated.
Captain Veli Mcera said investigations that could link the group to similar crimes were continuing.
The constable was the third policeman arrested in the area this week. The others are a 41-year-old inspector from the Vereeniging detective branch and a 33-year-old former police reservist.
They were arrested after they allegedly took a R500 bribe in exchange for stealing a suspect's assault docket.
"The police officer and his accomplice promised to steal the docket for the suspect, whose assault case was already on the court roll.
"We are not going to tolerate corruption by any member of the SAPS or any other government department. We call on communities to break the silence on criminals and their activities by reporting them," said Mcera.
All three are expected to appear in the Vereeniging magistrate's court today.