Mirror Co UK
- 20:26, 4 Jun 2023
- UPDATED20:40, 4 Jun 2023
The sound of a huge explosion was heard in the area surrounding Washington DC as the US military conducted air defence drills.
Reports say the DC Air National Guard were conducting air defence drills over the Chesapeake Bay.
The USAF reserve force was cleared to go supersonic during an alert scramble exercise.
Residents in nearby Maryland and Virginia all reported hearing a large explosion after 8pm local time.
Reports indicate police are calling the Federal Aviation Administration to find out more.