Local and federal authorities are saying they thwarted a mass casualty attack Monday morning with the arrest of a 21-year-old ...

Authorities in Texas said on Monday that they have thwarted a "mass casualty attack" after arresting a suspect who allegedly ...

A "mass casualty attack" was thwarted by Texas officials after learning a suspect allegedly made terroristic threats against police officers.

Two teenage girls in Texas are accused of plotting a “mass casualty attack” with pipe bombs and guns. Police say the girls, ...

Evidence suggests their intent was to carry out acts of violence at a school in the Spring Branch Independent School District ...

Two teenage girls are in custody after the FBI became aware of a potential mass casualty attack early this week, law ...

Two teenage girls were arrested on Tuesday, Feb. 18, after allegedly plotting a 'mass casualty' attack at Memorial High ...

The FBI arrested two teenage girls plotting a “mass casualty attack” using pipe bombs and guns targeting Memorial High School ...

Andrea "Seth" Lozano Gregori allegedly planned an attack in Corpus Christi similar to the 2016 ambush on Dallas police.

Authorities in Texas believe they have prevented a mass casualty attack on police officers, arresting a suspect on Monday.