Sipho Mabena The matter was raised more than a week ago during the appearance of five men accused of killing Coka brothers. Farm dwellers living on Greyling s Pampoenkraal farm in Mkhondo, Mpumalanga, 18 April 2021. Picture: Jacques Nelles National Prosecution Authority (NPA) in Mpumalanga is yet to explain the alleged lack of action in the killing of two farm dwellers in Mkhondo, despite a key witness who survived the attack. On the evening of 10 August last year, cousins Sthembiso, 32, Sifiso Thwala, 39, and friend Musa Nene, 34, were driving home from Daggakraal when their vehicle broke down on the dirt road next to Pampoenkraal Farm. Nomalanga Thwala, Sifiso’s younger sister, said the trio was busy trying to start the car when they were attacked by three white farmers. “They were tied up, put into a farm.