The men were working for a security company which was contracted to render close protection to members of the Brakpan Taxi Association.
Five men have been arrested for various crimes in Duduza.
“We are calling on the taxi owners to ensure that the drivers have proper security for the vehicles.”
Police are encouraging residents to refrain from carrying large amounts of cash on them.
Police are searching for four men in connection with a housebreaking in Extension 9 on Thursday.
Five suspects were arrested on charges of murder and attempted murder.
A 25-year-old man has been arrested for allegedly raping an 18-year old girl on March 27.
A 54-year-old man was shot and killed in his home in Extension Five along Jacisa Street on March 28.
Police are investigating a case of rape after a 16-year-old girl was raped while on her way home from accompanying a friend on March 21.
A 34-year-old man was arrested during a roadblock for being in possession of an unlicensed firearm on March 26.
The body of an infant was found in the open veld behind sewerage pipes on the corner of Khama and Modjadji streets on Wednesday.