Ha Noi, Nov. 10 (VNA) -- The police force has so far this year discovered 9,430 cases of drug-related crimes and arrested 17,130 suspects, year-on-year decreases of 12.6 percent and 17.8 percent, respectively, according to the Anti-Drug Office of the Ministry of Public Security.
They confiscated 51.26 kg of heroin, 470 kg of opium, more than 2,080 kg of marijuana, 112,400 ampoules and 66,000 doses of narcotics.