The government has said that some threatening communications, purportedly from Islamic State has been received by some political leaders. <br/><br/>Replying to a question in Rajya Sabha, Home Minister Rajnath Singh said enquiries have not established the veracity of the threatening communications. He said prima facie, it appears they might be the handiwork of mischief-mongers. Replying to supplementaries, Mr Singh said the government will not allow ISIS to spread its activities in the country.