New Delhi, Feb. 23 -- The Delhi Legislative Assembly, Delhi Secretariat, the Red Fort and two schools in the national capital received bomb threats via email on Monday, Delhi Police said, adding that "nothing suspicious was found."

The Delhi Police have now stated that the email threatening to bomb the institutions in the national capital mentioned a "Khalistani group."

"A bomb threat sent via email threatens to destroy the Army School, the Red Fort, and the Delhi Legislative Assembly. Nothing suspicious has been found so far. The email mentions a Khalistani group," Delhi Police said.

The bomb threat emails, received earlier today, triggered immediate search operations by security agencies, officials said.

According to the Delhi Fire ...