PATNA, June 9 -- Police on Monday arrested 12 accused in the murder case of a 16-year-old boy, who died after firing between two groups over an old enmity at Tarachak village under Danapur police station, officers said. City SP (West) Bhanu Pratap Singh said, "During interrogation, the arrested persons admitted that they were involved in the murder. The accused have been sent to jail. Probe is underway." The minor was killed and two others sustained injuries during a shootout late on Sunday night....