Every vehicle going towards the venue is being checked and every person is being frisked. Metal detectors have been installed at various entry points to the stadium. The security personnel have also pressed into service sniffer dogs and bomb disposal squads.

About 500 international players and officials will be arriving for the Aug 10-16 badminton championship. According to organisers, 200 players and officials have already reached Hyderabad.

The reports of threat to the championship came in the wake of intelligence warnings of possible LeT attacks in the city on Independence Day Aug 15.

Central intelligence agencies have already warned that Delhi, Kolkata and Hyderabad were facing a high level threat from LeT. Following this warning, the police have sounded a high alert in the city.