A plane travelling from Dalaman in Turkey to Manchester had to be diverted instead to Stansted airport and accompanied by two Eurofighter Typhoon jets after authorities were alerted to a possible security threat.
The RAF confirmed that two Quick Reaction Alert Typhoon aircraft out of RAF Coningsby near Horncastle were involved in the response to the incident.
The Jet 2 flight was due to land at Manchester Airport at 9.40pm on Wednesday evening, but was diverted to the southern airport, where it landed shortly after 9.20pm.
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