NOWSHAHR -- Police in the northern Iranian Province of Mazandaran, have seized 232 kilos of narcotics from 34 drug traffickers over the past three months (March 21-June 20), the provincial police told IRNA on Friday.

The haul, including opium, hashish, heroin and opium residue known as 'shireh' as well as domestic form of grass was made during a set of "carefully planned" operations by special anti-drug police, based in the province.

Police also arrested 2010 people, including 35 women, in connection with the seizures and handed them over to judicial authorities.

Iran accounts for 80 percent of the opium and 90 percent of the morphine intercepted in the world, according to the International Narcotics Control Board.

An official said recently that the Iranian police had seized 112 tons of illegal drugs and arrested 306,000 people on drug-related charges during last Iranian year which ended on March 20, 2002.

Iran's anti-drug campaign costs the country 800 million dollars per year, according to officials.