The combing and sanitisation operation at the Indian Air Force base is still on and sources said it may continue for some more time. A group of journalists were taken inside the airbase in a van for a tour today which found work going on under tight security. <br/><br/>A bomb disposal squad was seen defusing the ammunition left by the terrorists during operation. During diffusion some blasts were heard. A forensic team and National Investigation Agency members are also working inside the airbase. <br/><br/>Meantime NIA carried on its probe during the day. NIA team took the S.P. Salwinder Singh and the other person to the religious place which they visited the day they were kidnapped along with S.P. by terrorists. <br/><br/>They were taken to the place where kidnapping occurred and the investigation team went over the whole road which they adopted while visiting the religious place.