Two RAF Typhoons from Coningsby have escorted a Ryanair passenger jet into Stansted airport as Quick Reaction Alert.

The aircraft was a Ryanair Boeing 737-800 (reg. EI-FZH) flight #FR2145 from Kaunas to London Luton.

  • UPDATE 09:03 UTC Security threat confirmed as hoax.
  • UPDATE 09:01 UTC Sniffer dogs going round the luggage.
  • UPDATE 08:52 UTC Passengers escorted to buses by armed police.


  • UPDATE 08:47 UTC Ryanair says the flight was escorted to London Stansted after receiving a security alert whilst the plane was still in Kaunas.


A sonic boom was heard over Suffolk, resulting in many people calling emergency services to report an explosion.

London Stansted is the default airport in case of security threat.

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