GUJRANWALA, Dec 27: A constable of the Federal Investigation Agency (FIA) died during a raid to arrest an alleged human agent on Thursday. FIA officials, led by inspectors Shahid Habib and Rai Naserullah, went to Gopipur (Sialkot) to arrest Muhammad Asif, wanted for human smuggling. But the accused and his accomplices opened fire on the officials. Constable Khalil Ahmad suffered a heart attack there and died.