KABUL, Oct. 30 (Xinhua) -- The Afghan law enforcement agencies have arrested 29 drug traffickers within the past seven days, authorities said on Wednesday.

"The Counter-Narcotics Police of Afghanistan (CNPA) and detective security organizations arrested 29 suspects linked to 20 cases of transportation or keeping of narcotics from various provinces," Counter-Narcotics Criminal Justice Task Force of Afghanistan (CJTF) said in a statement.

Those among the arrestees was a woman, according to the statement.

After initial investigations, the CNPA has handed over the cases to the Central Narcotics Tribunal or CNT, a special Afghan court for jurisdiction of major drug cases, the statement said.

In 2018, some 6,400 tons of poppy opium were produced in western and southern parts of the country, where the government security forces have little presence, much lesser compared with 9,000 tons in 2017, according to official figures.