A top FBI official has issued a warning that the 9/11 attacks continue to inspire terrorists inside America, 25 years after the event. Authorities are cautioning that the threat from foreign terrorist organizations persists. The threat has not diminished significantly over time, according to warnings from authorities.

Further information on this ongoing threat is available from the source. Details on the current state of the threat and measures being taken to counter it can be found through additional reporting on the topic.