India, Nov. 13 -- Security forces continued a massive search operation for the third consecutive day on Friday to track down the terrorists in volved in Wednesday's attack on a CRPF post in south Kashmir's Kulgam district, while police questioned more than 300 Over Ground Workers (OGWs) and the National Investigation Agency (NIA) joined the probe.

A top police officer said that more than 300 OGWs had been questioned during the past three days in connection with the attack, which left three CRPF personnel injured.

"Till now 300 OGWs have been questioned. Assailants will soon be nailed," the officer said, adding that many of those questioned had been released.

Meanwhile, a team of the NIA has joined the investigation. An official said th...