Srinagar: Security personnel killed four top militants of Pakistan-based Lashker-e-Toiba (LET) but lost an army jawan in a day-long fierce gunbattle in the border district of Kupwara in Kashmir on Friday. In the encounter, four top Lashker militants were killed while the body of the fifth was believed to be buried under the debris. One army jawan identified as Nayak Sumer Singh was killed while another received a bullet injury in his stomach. Four others including an army captain received minor injuries. (PTI)