In Kolkata's Park Street area, a man identified as Dheeraj allegedly killed his elder brother, Neeraj Jaiswal, following a dispute over caring for their elderly father and an ailing sibling. The brothers jointly operated a motor parts business. Police arrested Dheeraj and are investigating the motive behind the fatal attack, which reportedly escalated from an argument. The deceased's son filed a complaint, and the body has been sent for post-mortem.