The blast took place outside the house of the PSO in Sounder village of Dacchan belt of Kishtwar district late last night, Senior Superintendent of Police (SSP) Bhim Sen Toti told PTI.
"We have sent a team lead by Station House Officer (SHO) to this remote belt which is a four-hour foot journey. Once they return, we will have full details", he said.
Initial reports said that militants hurled grenades at the house of Shadi Lal-- PSO of BJP Dachan President Ravi Kumar in village Sounder late last night. Hi nine-year-old son was killed in the blast.