Medan. The National Narcotics Agency, or BNN, seized 25 kilograms of crystal methamphetamine and arrested four men in the year's biggest drug bust in Medan, North Sumatra on Monday (22/02).

Brig. Gen. Arman Depari, BNN deputy head for narcotics eradication, said the four suspects were captured at a bus terminal on Jalan Sisimangaraja,