At least five illegal miners were among seventeen people who died in Boksburg on Wednesday following a toxic gas leak. Eyewitness News revisited the Angelo informal settlement on Friday and met with a zama zama who explained the process of refining illegally mined gold. On Wednesday, zama zamas attempted to release the gas, suspected to be nitrogen oxide, from a cylinder that they stole from a company in Boksburg. Following a toxic gas leak, Eyewitness News revisited the Angelo informal settlement on Friday and met with a zama zama who explained the process of refining illegally mined gold.
