National Investigation Agency reaches Patna with two LeT operatives Imran Malik and Mohd. Nasir Khan was arrested on Thursday in Patna in connection with the Darbhanga parcel blast case. Both of them will be produced in NIA court. NIA will ask for a transit remand. The incident happened on June 17, the explosion takes place at platform 1 of the railway station. Watch the video to know more.