Silchar, Aug. 5 -- A Central Reserve Police Force (CRPF) officer posted in Assam's Nagaon district on Tuesday allegedly killed two of his colleagues with a service rifle and later died by suicide, police said, adding that another jawan sustained gunshot injuries in the incident and was rushed for treatment. According to police, the assistant sub-inspector, hailing from Andhra Pradesh, who was deployed at the main gate of CRPF's Katimari (34 Battalion), took an INSAS (Indian Small Arms System) rifle from the guard room and opened fire at sub-inspector Ramnawal Singh Yadav, ASI Mane Govind Sripul and head constable Vishnu Prasad Baghel. The incident took place at around 7.30 am. "Yadav and Baghel died on the spot, while Sripul sustained severe injuries and has been admitted to a local hospital," said Partha Pratim Das, the Senior Superintendent of Police (SSP) of Nagaon.Later, the injured personnel was referred to Gauhati Medical College and Hospital, the officer said. "The ASI later shot himself with the same rifle; however, the motive behind the incident is yet to be established," the SSP added. Police said they have launched an investigation....