Sindh police on Monday claimed to have arrested four drug peddlers including a woman and recovered huge quantity of heroin and hashish from them. According to police, Napier police on a tip-off conducted raid at Haji Camp at Mehmood Shah Road and arrested four persons namely Zaitoon, Sahib alias Shohaib, Attaullah and Nazir Ahmad and recovered two kilograms of heroin and similar quantity of hashish from their possession. A case was registered against them and further investigation was underway.