For the second time in two days the Airport here received a bomb threat call today, following which security was intensified and checks carried out at over 20 areas in the premises, police said.
The office of the Director of Chennai Airport received a call at around 5.30 AM today, stating that a 'human bomb' would explode there, they said.
The Bureau of Civil Aviation Security and police were immediately alerted and intensive checks carried out in over 20 spots within the airport premises, including the cargo section, but the call turned out to be hoax, they said.
Vigil and patrol has been enhanced in and around the airport, police added.
On August 25, a similar call was received at the airport.
Police said special teams had traced the previous threat call to Nagapattinam and are camping there to zero in on the culprit.