THANE, Dec. 3 -- A 20-year-old man was killed and two others were injured after a year-old dispute escalated into a violent attack in Diva on Monday evening. The police have detained six suspects in connection with the crime while four others are still absconding. The deceased has been identified as Abhijit Bhaskar (20), a resident of Diva. Sumit Gavde (21) and Yuvraj Khale (20) sustained serious injuries and are in hospital. According to the police, the incident occurred when Sahil Sanas and Yuvraj Khale, friends of the deceased, were on their way to Ganesh Nagar for a haircut. They were allegedly confronted and assaulted by the accused and their associates over an old dispute. The victims managed to reach their chawl and informed Bhaskar and Gavde about the assault. The group then approached the accused to question them, which led to a heated argument. Amid the confrontation, Ritik Dubey alias Pandit allegedly attacked Bhaskar, Gavde and Khale with a sharp knife while the other accused with him assaulted other members of the group. Bhaskar died on the spot. Nitin Pagar, investigating officer from Mumbra police station, said the motive behind the attack stemmed from a trivial argument a year earlier involving school bags placed on a bench outside Ganesh School in Diva. "One group objected to the bags being kept on the bench, leading to a heated exchange. The accused held on to this grudge and had been planning revenge since then," Pagar said. The police said that the main accused, Dubey, had five to six criminal cases registered against him at various police stations. A case has been registered under Sections 103 (murder), 109 (attempt to murder), 118(2) (causing grievous hurt) among others....