Security has been stepped up across Tamil Nadu hours after the twin bomb blasts in Hyderabad on Thursday evening. The Standard Operating Procedure that includes intensified vehicle checks, security at vital installations and patrolling, was set in motion.

According to police sources, police screened baggage of passengers at important railway stations. Security was strengthened at airports, major bus stands, malls and commercial streets. “There is no specific threat perceived by intelligence agencies with regard to Tamil Nadu. However, heightened security arrangements are in place,” a senior police official said.

Police appealed to public to alert the control room or nearest police station if they came across any suspicious object or abandoned vehicle.