The emergency status was withdrawn at around 12.10 pm, according to airport sources who declined to confirm whether the threat was a hoax
Police officers from the Valiyathura police station arrived at the airport to investigate the incident
Earlier in the morning, the pilot of the aircraft informed the ATC about the threat after a 'Bomb in flight' message, written on a tissue paper, was found in the washroom of the plane, the sources told PTI
The bomb threat was communicated by the pilot at 7.30 am as the aircraft approached the Thiruvananthapuram airport, the sources told PTI
Subsequently, a full emergency was declared at the airport at 7.36 am, they said
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