A major crackdown on illegal mining in Barberton, Mpumalanga, led to 478 suspected zama zamas arrested during Operation Vala Umgodi. Mostly undocumented foreigners, they’re linked to rising crime and environmental harm. Following a deadly Stilfontein standoff, authorities urge communities to expose illegal miners. We spoke to Gisuwa president Mametlwe Sebei and Newzroom Afrika journalist Mweli Masilela for insights on this pressing issue.