In a shocking incident highlighting the fatal consequences of a trivial dispute, a Punjab Police head constable was allegedly stabbed to death over an argument related to the payment for a sandwich in Patiala. Police have arrested six accused in connection with the murder, officials said on Wednesday. The victim, identified as Head Constable Amandeep Singh, was a resident of Nabha and posted at the Civil Lines Police Station in Patiala. He succumbed to his injuries after bein