Two Latvian men were arrested on suspicion of trespass at an RAF base in Cambridgeshire.

The base houses United Kingdom and United States military personnel and intelligence operations.

Reports say it hosts a key US and NATO intelligence hub.

A Fox News headline says the base is in the middle of a $556 million expansion.

Counterterrorism police immediately stepped in to direct the ongoing investigation into the breach.

The two men were later released on bail while inquiries continue.

Police have not released details on any motive for the intrusion.

Counterterrorism units are reviewing perimeter defenses to prevent repeat breaches.

Read the full article for more details on the RAF base arrests.