The Taliban-led caretaker government issued a decree in April last year banning poppy cultivation and its processing.
German authorities plan to legally declassify cannabis and the active substance tetrahydrocannabinol (THC) as narcotics.
The minister’s aide explained that the five persons arrested would be taken for investigation.
Police spokesman Abdullahi Haruna-Kiyawa said “the suspect was driving an unregistered white Honda Accord, 2016 model, when he was stopped for a search.”
The agency believes that teachings by clerics on the dangers of drug abuse and illicit drug trafficking can help reduce the menace.
