19/01/2016 4:01 PM IST | Updated 15/07/2016 8:25 AM IST

Letter Signed 'ISIS' Threatens To Kill Narendra Modi, Manohar Parrikar

Hindustan Times via Getty Images
NEW DELHI, INDIA - JANUARY 29: Prime Minister Narendra Modi along with Defence Minister Manohar Parrikar, Minister of State for Defence Rao Inderjit Singh arrive for the Beating Retreat Ceremony at Vijay Chowk on January 29, 2015 in New Delhi, India. The ceremony is a culmination of Republic Day celebrations and dates back to the days when troops disengaged themselves from battle during sunset. (Photo by Raj K Raj/Hindustan Times via Getty Images)

PANAJI -- An anonymous letter purportedly signed by ISIS has threatened to kill Prime Minister Narendra Modi and Defence Minister Manohar Parrikar.

Goa Police have circulated this letter to all the police stations in the state and handed over the case to the Anti Terrorist Squad (ATS).

The postcard threat letter was received at the State Secretariat last week following which Goa Police swung into action, a senior police official said today.

"All the agencies of state police are investigating this letter. We will soon be able to find the source of it," the police official said.

"ISIS was written at the bottom of the postcard," the official confirmed.

The letter has expressed anger over ban on cow slaughter in the country.

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