As Eskom teeters on the brink of a fresh wave of load-shedding, violent protest action which saw four coal trucks torched in Mpumalanga has the potential to push the power parastatal over the edge.
While the burning of the trucks in isolation will not hinder the operations of the Arnot and Matla power stations, if the industrial actions spreads the consequences for Eskom could be disastrous.
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