Air India confirmed the flight was forced to land at Stansted this morning.
Two Typhoon jets are at the airport escorting the plane after a bomb threat was made.
Air India tweeted: “Mumbai – Newark of 27.06.19 has made a precautionary landing at London Stansted Airport due to bomb threat . Update in the matter follows.”
The Airport has also reportedly been closed, with no flights currently departing or landing.
Holidaymakers have described being stuck on board planes sitting on the tarmac.
The official RAF Twitter account posted: “The RAF can confirm QRA Typhoons were launched this morning from RAF Coningsby to intercept a civilian ac (aircraft).
“The ac was escorted to Stansted. The Typhoons transited at supersonic speed for operational reasons; any inconvenience caused to local residents is regretted.”
Essex Police also confirmed it is at Stansted assisting.
“An aircraft was diverted to Stansted Airport at around 9.50am today (Thursday 27 June) following reports of a security alert. The plane is currently at the airport and officers are making enquiries,” the force tweeted.
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