At least five Border Security Force personnel were killed on Sunday after their colleague allegedly opened fire at a force camp in Punjab's Amritsar, officials said.
The incident took place at the force mess in Khasa area, about 20 km short of the Attari-Wagah border crossing along the India-Pakistan international front.
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The jawan who opened fire was among the five personnel killed. One jawan is stated to be injured.
Senior officers of the border force have rushed to the spot.