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

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.

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 ...

Toronto Police charged two men who were allegedly plotting to carry out a murder plot at a bar in the GTA, a day after Scarborough shooting.

A Florida teenager was arrested Sunday after a video emerged of him apparently threatening to carry out a mass shooting on ...

Mooresville Police Chief Kerry Buckner said, "The pictures in her room they look like family photographs like you would put of your kids but they were all people who had committed mass shootings.

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.

Cops in Indiana say they thwarted a Valentine’s Day mass shooting that a ... Trinity Shockley, 18, was arrested this week within days of police uncovering a plot to shoot up Mooresville High ...