The Narcotics Suppression Bureau (NSB) also announced on Wednesday that it had successfully arrested drug suspects in 345 drug cases between October 1 last year and May 1 this year.

Over the period, 60.62 million methamphetamine tablets, 117.21 kilograms of crystal meth-amphetamine, 39.16 kilograms of heroin, and more than two tonnes of dry marijuana have been confiscated, the bureau said.