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An R-5 rifle used to gun down a sangoma who performed rituals on Marikana mineworkers has been sent for tests to determine its origin.
Police are investigating the possibility that the weapon belonged to one of the two police officers killed during a strike by Lonmin mineworkers in August last year.
The sangoma, 69-year-old Alton Joja was at his home in the Ludeke Holt village in Mbizana, when 5 men armed with pistols and rifles entered his homestead two weekend's ago.
They shot him when he approached their car to ask what they were looking for.
The Farlam Commission of Inquiry on the Marikana killings heard last month that Joja was believed to have performed rituals on protesting Lonmin mineworkers before the shootings on 16 August in which 34 of them were killed.
Police had been trying to get the sangoma to testify before the commission.