Defence sources said alert troops challenged heavy armed terrorists who were trying to infiltrate in Uri sector on Saturday evening.
"An encounter ensued between the infiltrating terrorists and the army in which 3 soldiers were injured. The operation is still going on in the area," sources said.
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Three soldiers injured belong to 12 Jat regiment. They have been shifted to hospital.
Earlier on September 18, another major infiltration bid was foiled by the army in the same sector when a group of terrorists were forced to withdraw back after they were engaged in a sustained gunfight.