AM, targeted Andhra School in Prasad Nagar, BGS International School, Rao Man Singh School, Convent School, Max Fort School and Indraprastha International School in Dwarka.

The accused who is a resident of Rajkot has been booked under Section 109 (1) (attempt to murder) of the Bharatiya Nyaya Sanhita (BNS).

Security agencies are looking into the matter to determine whether the threat is genuine or a hoax, officials said.