Two officials from the Energy Commission have been detained. The Narcotics Control Commission is holding them for questioning.
Their detention is part of an investigation into a large shipment of charcoal. This shipment was reportedly heading to Australia.
Australian authorities intercepted the consignment. They discovered that the charcoal was mixed with methamphetamine.
Investigators believe this was an attempt to smuggle drugs. The operation involves international agencies.
The Energy Commission has not yet released an official statement. The Narcotics Control Commission stated that the investigation is active.