Sphithiphithi Evaluator was the only female arrested and charged with instigation after she was accused of being behind unrest tweets and was charged with using social media to instigate unrest.
The arrests followed a sting operation in which suspected stolen copper wires were found.
The other four were remanded and expected to appear in court again next week to apply for bail.
Four people arrested in connection with stolen copper estimated to be worth R1.9 million were remanded by the Pretoria Magistrate s Court.
According to the Hawks, two separate arrests were made, netting five suspects aged 47 to 60. Authorities received intelligence about suspects delivering suspected stolen copper wire at a scrapyard in Hercules. Police intercepted a truck fitting the description at the identified scrapyard in Hercules loaded with suspected stolen copper weighing about 3.840kg, Hawks spokesperson Captain Ndivhuo Mulamu said in a statement.
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