Uttar Pradesh Chief Minister Yogi Adityanath received a bomb threat, informed officials on Monday.
The message, which was received on August 2 on the police control room's helpline WhatsApp, threatened to bomb the chief minister within three days.
The operation commander of the helpline filed a case with the police. A search is underway to identify and arrest the sender.
A case has been registered at Sushant Golf City Police Station.
Further investigations are underway.