Mystery 'explosion' heard across Washington DC as small plane crashes into mountain - The Independent
- Mystery 'explosion' heard across Washington DC as small plane crashes into mountain The Independent
- Sonic boom heard in Washington DC caused by military jets chasing small plane which crashed Sky News
- Washington explosion heard as 'US Air National Guard' sonic boom leaves windows rattling Daily Record
- NORAD scrambled F-16 to intercept wayward business jet Business Insider
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