Passengers were being escorted from the plane, flight AI 379, in line with emergency plans, an Airports of Thailand official said.

There were 156 passengers on the flight and the bomb threat was recieved on board the plane, it said in a statement.

The aircraft took off from Phuket airport for the Indian capital at 9:30am on Friday, but made a wide loop around the Andaman Sea and landed back at the Thai island, according to flight tracker Flightradar24.

AOT did not provide details on the bomb threat.

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