India, Oct. 14 -- Air India flight AI 2030, a Boeing 787-9 flying from Frankfurt to Delhi, was diverted to Jaipur on Wednesday morning after its pilot issued a hijacking alert, according to sources in the Directorate General of Civil Aviation (DGCA). The aircraft was squawking 7500, the internationally recognised transponder code for unlawful interference, which is used for hijacking, the sources said.

The aircraft landed safely at Jaipur International Airport and was moved to an isolation bay for security checks. All passengers and crew were evacuated, and passengers and their baggage were screened, according to preliminary information.

Air India said in a statement that the flight was diverted "following a perceived security concern",...