UVALDE, Texas -- In a new twist in the Uvalde elementary school mass shooting, a source has confirmed to ABC News that as police waited for more than an hour in a hallway outside the classrooms where ...

Michigan State University will add locks to more than 1,300 classroom doors by fall as part of a sweeping plan to improve campus safety in the aftermath of a shooting that claimed the lives of three ...

PALM BEACH COUNTY, Fla. — A new mandate in Palm Beach County public schools will require all classroom doors to be locked when school is in session. WPTV first reported in June that a handful of ...

Michigan State University will add locks to more than 1,300 classroom doors by fall, the school announced Wednesday. The announcement is part of a wider plan to improve campus safety after a man ...

The Undergraduate Student Government at the University of Minnesota launched a door locking petition Tuesday, calling for every instructional space to be securely locked from inside to help protect ...

PHOENIX — It's one of the simplest lines of defense if an intruder gets into your child's school - a locked door. The easiest way to make sure it's in place is if a teacher can lock it from the inside ...