BANNU - At least one security person lost his life and two others sustained injuries when some terrorists ambushed a security convoy in the Frontier Region of Bannu district Sunday.  According to officials, a security forces' vehicle was targeted with a remote-controlled bomb in Khawa Khawar area of Bannu, killing one security person and injuring two others. The body and injured were shifted to a nearby hospital in the area. Security forces later launched search for the militants.