The police have also asked authorities to advise students about "necessary precautions", amid heightened threat perception of terror attack in the region.
"From the security point of view, it is requested to all schools' management in district Jammu that do not allow any stranger in the school," according to the advisory issued to various school managements here.
It asked school authorities to ensure foolproof security on their premises and prevent "easy access" to strangers.
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