Shillong, July 5: Police are on a fresh lookout for two accomplices of the brutal attacker of a prominent Shillong-based businessman Rishan Rapsang last week. The prime suspect Vijay Sahni has been arrested on Wednesday night and another alleged suspect Kumar Sunar was picked up on Thursday, informed the Superentendent of Police (Shillong city) Stephan Rynjah. According to Rynjah, they are looking for two other alleged accomplices, but he refused to divulged their names. Maintaining that the incident indicated that it is a pure case of robbery, the SP however said that the investigation is looking into other details pertaining to the crime. The prime accused Vijay Sahni is the driver of Rishan Rapsang and the other who is identified as Kumar Sunar is the son of an employee of Rapsang at the Industrial estate.