Officials from the Competition Commission have raided six of the world's biggest container shipping companies on suspicion of colluding to inflate rates between Asia and South Africa. The six raided companies are local subsidiaries of Denmark's Maersk, Portugal's Mediterranean Shipping Company, France's CMA CGM Shipping, Germany's HamburgSud, Singapore-based Pacific International Line and Maersk unit Safmarine. Competition Commissioner Tembinkosi Bonakele says such cartels have the effect of significantly derailing the economic growth of the region. Maersk and MSC have confirmed the raids and say they are co-operating with authorities.