NIA has arrested another key accused in the Rs 700 crore Attari border drugs seizure case, taking the total number of arrests in the matter to eight. An official statement issued on Wednesday said the accused, Athar Saeed alias Chacha, had handled the proceeds of the drugs on the directions of the kingpin, Shahid Ahmed. NIA investigations have revealed that Saeed was instrumental in creating and sustaining a network of hawala operators and others for the transfer of the money earned from the sale of the narcotics from India to Afghanistan and to the UAE.