"A case has been registered against unidentified persons after nearly 5-6 handwritten letters were recovered on which Pakistan Zindabad slogans and ISIS initials were scribbled along with threats given for carrying out destruction in Purvanchal," SP (rural) Ashish Tiwari said today.
An alert has been issued and Intelligence agencies are also probing the matter.
"A probe is on and primarily it appears to be the handiwork of some mischievous persons," he added.
"24/3/17Ko Purvanchal Mein Tabahi. Bacha Sakte Ho to Bacha Lo (There will be destruction in Purvanchal. Save it if you can)," said the letter.
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