Sources told NBC News Iran sent a communication to President Trump last week, threatening to activate sleeper-cell terror ...

There is no specific threat but in recent days, the FBI and Department of Homeland Security (DHS) have spoken with governors ...

In the past, following other U.S. military actions, it has taken years for the full dimensions of Iran’s intended campaigns ...

A viable device was thrown through the window of the Belfast Islamic Centre during an attack on Friday night, police have ...

Police in Northern Ireland say a 34-year-old man has been arrested on suspicion of a terror offense for allegedly tossing a ...