The motive for the Scarborough shooting has yet to be determined, but investigators have said that one man was armed with an assault rifle.

A 17-year-old from Hockley was indicted on a terrorism charge — the first of its kind in the county, based on a recent state ...

The arrests came after three masked gunmen opened fire on a crowd at the grand opening of the Piper Arms pub on Progress Avenue Friday night.

Local and federal authorities are saying they thwarted a mass casualty attack Monday morning with the arrest of a 21-year-old Texas man accused of making terrorist threats against police officers.

Police said they arrested a 17-year-old in connection to the alleged online ... electronic threat of a mass shooting or terrorism act. “The swift identification and arrest..

(WDRB) -- An Indiana student is facing charges for allegedly planning a mass shooting at a high school ... School student Hadley Miller said the arrest was concerning. "I haven't read all of ...

He is charged with Intimidation Written/Electronic Threat of Mass Shooting ... as saying. The arrest marks the third time in recent weeks that an alleged school shooting plot has been thwarted.