<p>British fighter jets escorted a private aircraft into London's Stansted Airport after it lost communications with the ground on Tuesday, sparking alarm after they broke the sound barrier in response to the incident.</p>.<p>People from London to Cambridge, about 65 miles north of the capital, reported on social media hearing what sounded like an explosion or large blast which had shaken houses.</p>.<p>"The RAF can confirm Quick Reaction Alert Typhoon aircraft were launched this afternoon from RAF Coningsby to intercept a civilian aircraft that had lost communications," a Royal Air Force spokesman said.</p>.<p>"Subsequently, communications were re-established, the aircraft was intercepted and safely escorted to Stansted. The Typhoon aircraft were authorised to transit at supersonic speed for operational reasons."</p>.<p>Stansted, London's third biggest airport located to the northeast of the capital, confirmed the private jet landed safely just before 1340 GMT.</p>
<p>British fighter jets escorted a private aircraft into London's Stansted Airport after it lost communications with the ground on Tuesday, sparking alarm after they broke the sound barrier in response to the incident.</p>.<p>People from London to Cambridge, about 65 miles north of the capital, reported on social media hearing what sounded like an explosion or large blast which had shaken houses.</p>.<p>"The RAF can confirm Quick Reaction Alert Typhoon aircraft were launched this afternoon from RAF Coningsby to intercept a civilian aircraft that had lost communications," a Royal Air Force spokesman said.</p>.<p>"Subsequently, communications were re-established, the aircraft was intercepted and safely escorted to Stansted. The Typhoon aircraft were authorised to transit at supersonic speed for operational reasons."</p>.<p>Stansted, London's third biggest airport located to the northeast of the capital, confirmed the private jet landed safely just before 1340 GMT.</p>