Hyderabad, August 29: A bomb threat received by the Rajiv Gandhi International (RGIA) Airport here by e-mail turned out to be a hoax, police said on Tuesday. The airport's customer care section received the mail on Monday about the bomb threat and a thorough check was conducted by security personnel and no explosive or suspicious item was found and the threat turned out to be a hoax, they said. Bomb Threat in Mumbai: Police Receive Fake Threat Call About Bomb on Plane at Airport, Probe Underway

Later, another message was received from a person, apologising for the previous one, saying his son was "mentally unsound" and that he had sent that message. "We are verifying both the messages," a police official said. Bomb on Plane! Kochi-Bengaluru Flight Receives Threat Call, Passengers Offloaded at Kochi International Airport

A case was registered at RGI Airport police station and further investigations were on.