Five arrested in alleged plot at UK's RAF Fairford base: What to know
Officials on Monday confirmed a counterterrorism investigation is underway in Great Britain, in connection with five men who were arrested on charges of alleged suspicious activity near a military base used by the United States.

TL;DR
- A counterterrorism investigation is underway in Great Britain.
- Five men were arrested on charges of alleged suspicious activity.
- The arrests occurred near RAF Fairford, a military base used by the United States.
- President Donald Trump indicated cooperation between U.S. and British authorities.
- Suspects are accused of traveling to RAF Fairford to carry out a terrorist attack.