NEW DELHI: A West Bengal booth-level officer (BLO) and his accomplice have been arrested for allegedly murdering a man whose wife, according to police, was in a relationship with the BLO. Rizwan Hasan Mondal and his accomplice Sagar Gyne were apprehened after dismembered body parts of 30-year-old Nasir Ali were found in a canal in the North 24 Parganas district’s Baduria, a police officer said on Saturday, a day after the duo’s arrest.“Preliminary investigation found that Mondal had an extramarital relationship with Ali’s wife. He had asked the deceased to meet him at a deserted place late on Monday evening on the pretext of discussing some issues pertaining to the ongoing Special Intensive Revision of electoral rolls in West Bengal,” the police officer told PTI.Ali was reported missing since Monday night and his family lodged a police complaint the next day.Police tracked Mondal’s phone calls and movement and found the body parts in the canal on Friday.The BLO was interrogated and later arrested on the charge of murdering Ali and dumping the victim’s body parts, which were thrown in three different places in the canal.Mondal’s accomplice Gyne was arrested on the charge of assisting him in the murder, dismemberment of the body and dumping the parts.Locals staged a road blockade in the area for around half-an-hour demanding justice. They were later persuaded by the police to lift the stir.