KABUL, July 5 (Xinhua) -- Police have discovered illegal drug of opium poppy type in northern Afghanistan's Baghlan province and arrested four suspects, provincial counter-narcotics police chief Mullah Mohammad Nabi Kamran said Saturday.

Personnel of counter-narcotics police in two separate operations, which were launched in the provincial capital Pul-e-Khumri and Julga districts a couple of days ago, found 61 kg of opium poppy, the official said.

In a similar crackdown on illegal drugs, police discovered six kg of heroin and 36 kg of opium poppy in the western Nimroz province on Thursday and detained an alleged drug trafficker. ■