The Railway Safety Regulator (RSR) says speed might have played a role in the derailment of three passenger train coaches at Dal Josafat station in Paarl in the Western Cape on Tuesday. The regulator on Friday released the findings of its preliminary investigation into the derailment of a Prasa train that resulted in 24 passengers being injured, three critically. The injured passengers were ferried to hospitals by emergency services. The train was en route from Kraaifontein to Wellington station, travelling on a “down mainline” on the Transnet Freight Rail network. The regulator…