THREE alleged heroin manufacturers have been arrested in a raid on a house in Phnom Penh’s Dangkor district, police said yesterday. Choub Sok Heng, district deputy police chief, said one man and two women were arrested after officials confiscated production equipment and “many kilograms” of heroin during the raid on a house in Kakab commune on Tuesday afternoon. “These people have now been sent for detainment at the Anti-Drug Department of the Ministry of Interior for questioning and investigation,” he said.