JOHANNESBURG – SARS Customs officials have seized cocaine valued at an estimated R25-million at OR Tambo Airport.The cocaine was packed into 47 bricks, weighing around 50 kilograms.It was discovered in a bag on a carousel for a flight from Sao Paolo in Brazil en route to Kinshasa.READ: Another drug mule arrested at OR Tambo airportThere were no passengers accompanying the bag and no arrests have been made.SARS Commissioner Edward Kieswetter says an inter-agency approach is being used to catch traffickers.The matter has been handed over to the SAPS for further investigation.