Assistant Commissioner of Police, Malviya Nagar, Shiv Dayal told PTI that airport authorities had informed the police about the emergency landing of the Frankfurt-Delhi flight following a bomb threat. Further details were awaited, he said.
Police sources said security personnel were checking the aircraft in the isolation bay.
Citing initial information, one of the sources said the pilot pressed 'Squawk Code 7500', which indicates unlawful interference, when the aircraft was in the Mumbai Flight Information Region (FIR). The aircraft was subsequently diverted to Jaipur, the source added.
The aircraft remained in the isolation bay for security checks following its emergency landing, with further details and an official statement from Air India awaited.