This video was recorded near LOC by a Pakistani drone.
Video shows repeated artillery shells exploding on an Indian army camp. This and much more was Pakistani response for Indian army shelling which killed two Pakistani soldiers last week.
Note the large explosion at 00:57 and then a shock wave hits the drone at about 01:15. Thats 18 seconds which took the sound wave from the explosion to reach the drone. Taking the speed of sound at altitude of LOC about 330 meters per second and multiplying it by time taken 18 seconds. We can calculate that the recording drone was about 5000-6000 meters away from the explosion.