MULTAN - The owners and workers of CNG stations as well as transporters staged a joint protest against three-day loadshedding of CNG here at Chowk Kumharanwala on Tuesday. Holding placards and banners inscribed with demands regarding withdrawal of decision, the protesters chanted slogans against the govt. Talking to the journalists, the protesters said that the decision would completely ruin CNG sector besides rendering thousands of CNG workers jobless. They warned the govt that they would be forced to give strike call for indefinite period.