India, Oct. 14 -- LUCKNOW Two suspected heroin-manufacturing units unearthed in residential premises in Lucknow within 10 days have brought the city's alleged drug-production network under scrutiny, with investigators probing the supply of raw materials, procurement of chemicals and distribution channels extending to neighbouring districts.

The latest bust by the Anti-Narcotics Task Force (ANTF) and Dubagga police on October 12 led to the arrest of two men and the seizure of 6.4 kg of suspected raw morphine, valued at Rs.13 crore at the government rate and Rs.32 crore in the international market, police said on Tuesday. Preliminary interrogation suggested that the accused had been operating a unit for nearly a year and supplying heroin t...