Johannesburg - Four of 12 men arrested for suspected rhino poaching were denied bail in the Roodepoort Magistrate's Court on Tuesday.
Five other members of the group were expected to appear in court on January 29, said Melissa Weaving of Activists for Animals Africa (AAA).
Three of the 12 were police officers. They had already appeared in court and were granted bail.
The 12 were allegedly part of a syndicate that had been under investigation since 2013. They allegedly poached rhino and illegally dealt in rhino horns in Klerksdorp, Rustenburg, Pretoria, and Johannesburg.
The AAA said the 12 were arrested in an operation led by the Hawks in Gauteng and North West.
They faced charges of rhino poaching, money laundering, racketeering, possession of unlicensed firearms and ammunition‚ and corruption.
During the arrests four rhino horns, pieces of rhino horns, 13 illegal firearms‚ three small scales‚ an electric hacksaw‚ four vehicles, and R1.1m in cash were confiscated.