Jakarta, Oct. 12 -- Indonesian police raided nine drug dens across North Sumatra on Sunday and arrested 36 people, the national police's Criminal Investigation Agency (Bareskrim) said, as part of a nationwide anti-narcotics operation.

Bareskrim narcotics director Brig. Gen. Kristian Parluhutan Siagian said the raids covered Deli Serdang, Asahan, Mandailing Natal, Karo, Toba, Samosir, South Nias, Pakpak Bharat and Sibolga, with support from North Sumatra police and relevant agencies.

"Of that number, 28 have been identified as drug abusers and will undergo rehabilitation, while eight dealers will face legal proceedings," Siagian said in a statement on Monday.

Police seized 102.49 grams of crystal methamphetamine, 52 bongs, 100 Pyrex gla...