The Tshwane Metro Police Department (TMPD) arrests 19 undocumented foreign nationals during an enforcement operation in Centurion, according to South African outlet IOL. The operation targets alleged by-law and immigration violations. During the raid, the 19 people are detained by TMPD officers and subsequently handed over for processing to the Department of Home Affairs. The report frames the action as part of TMPD efforts to enforce local regulations and immigration-related requirements within the metro area. No further details about the individuals, the specific by-laws alleged, or the circumstances of the arrests are included in the provided source. The article also does not specify when the raid took place beyond it being part of the TMPD’s enforcement activities. Overall, the account indicates that the arrests are linked to immigration status concerns and by-law compliance, with the next step involving Home Affairs processing.