PATNA, Jan. 15 -- Gaurav Kumar (22), a graduation student who was stabbed by a group of assailants at Lohianagar under the Kankarbagh police station area on Tuesday, succumbed to his injuries during treatment at a private hospital here on Wednesday, police said. According to his brother Saurav, the incident occurred around 7.30 pm when Gaurav Kumar gave Rs.200 to a boy to buy cigarettes at MIG Park, but the boy did not return with either the cigarettes or the money, leading to a dispute. He said that 15 to 20 miscreants later arrived at the spot and began assaulting Gaurav. "They were armed with sticks and knives and stabbed him after chasing him. He was admitted to a private hospital after the incident, but died on Wednesday," Saurav said. Family members alleged that the police emergency number (Dial 112) was informed, but the response was delayed. On receiving information, a police team reached the spot and launched an investigation....