A suspect is due to appear in the Khayelitsha magistrate's court on Wednesday in connection with a murder spree on July 16.
According to the office of the provincial police commissioner in the Western Cape, he was arrested on Monday evening during a tracing operation in Khayelitsha.
The incident occurred on the corners of Nyebelele and Ntengu streets in Site C Khayelitsha.
Three male victims — Kwezi Mphummzi, 34, Mveleli Nobuzana, 36, and Howard Mjamba, 50 — were gunned down.
The suspect has a previous conviction for the possession of an unlicensed firearm in 2017.
Police said detectives from the provincial organised crime unit are seeking the suspect's alleged accomplices.
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