In the Jammu and Kashmir, terrorist attack in which four army personnel attained martyrdom and two sustained injuries, the National Investigation Agency has begun an investigation while GoC 16 Corps Lt. Gen. Sandeep Jain, J&K Director General of Police RR Swain and IGP Jammu Zone are camping at Poonch coordinating search operations against the terrorists involved in the attack. Preliminary investigations revealed that the terrorists used UD-made M4 rifles in the attack. The terrorists were believed to be from Lashkar-e-Taiba or Jaish-e-Mohammad outfits though it is the People's Anti-Fascist Front (PAFF) that has claimed responsibility for the attack.<br />''<br />''According to official sources, nearly a dozen suspects have been detained for questioning in connection with the terror attack. Pakistani terrorists reportedly trained in Afghanistan are reported to have carried out the terror attack with active local support. Meanwhile, additional troops have been inducted into the area to track down the terrorists involved in the firing. Aerial  Monitoring by helicopters is also being conducted and sniffer dogs have been pressed into service to track down the terrorists who attacked the Army vehicles.         <br />