The Western Cape SAPS has told e-hailing taxi services to contact local police for escorts when called out to Nyanga in Cape Town.
This after a 30-year-old driver was found dead inside his vehicle in Zwelitsha Drive.
Police spokesperson Brigadier Novela Potelwa said detectives were still following leads to establish the motive behind the attack.
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No items were stolen from the deceased.
Potelwa said the driver was allegedly called out to the area by a potential client around 05:00. He was later found dead, with a gunshot wound to the head.
"Cartridges and a knife were found in the vehicle. There were some damages to the vehicle," Potelwa said.
Nyanga is the murder capital of South Africa, this despite a 6.2% decrease in the number of cases in 2018/19, according to the latest South African police crime statistics.