"We got information that somebody has uploaded content threatening bomb blast at the airport on a social networking website, following which we tightened security and briefed airlines about that," airport's Officiating Director P Srikrishna said, adding that the threat was non-specific.
Internal security at the airport is being handled by CISF and addition policemen have also been deployed outside the airport.
"We got inputs about the threat and the security has been tightened. The matter is being investigated and efforts are being made to locate the Facebook account user," Additional DCP Yogesh Dadhich said.
The content was reportedly uploaded by a woman on her Facebook wall in which she said that the airport will be blown up on Oct 1, police sources said.
The identity of the Facebook account user has not disclosed but police sources said it's been operated from somewhere in Churu district.