Federal aviation officials are investigating a security incident involving President Donald Trump's helicopter. The incident occurred on Tuesday and involved the Marine One helicopter and another aircraft. Details of the incident are limited, but it is known that the Marine One helicopter was transporting the president at the time.

The Federal Aviation Administration has stated that the incident did not appear to be a close call or an imminent danger situation. Further information about the incident is available from national news sources, including Reuters and CNN, which have reported on the investigation and reviewed audio recordings of air traffic control communications.