Customs officials at the OR Tambo International Airport have confiscated 108kg of drugs worth R30 million that were hidden in boxes and declared as ‘calcium carbonate’.

The discovery was made after officials inspected the boxes in the cargo section of the airport after it arrived from Kenya on Tuesday.

In a separate incident, dagga to the value of R9 million was confiscated in the Free State.

On Tuesday, multiple boxes carrying more than 100 kilograms of white powder and a brown sand-like substance were confiscated and sent to a private laboratory for testing.

The results came back positive for the drug ketamine as well as a base ingredient to make mandrax.

No arrests have been made and the case has been handed over to the Hawks for further investigation.

In another incident on Thursday, a truck leaving Lesotho at the Ficksburg border post in the Free State was found with 207 bags of cannabis weighing over 6000kg.

The total value of the cannabis is over R9-million. The driver has been taken into custody.