Lee's Summit High School is in full lockdown following a threat Tuesday morning. Law enforcement is on scene going through ...

A reported lockdown at Archbishop Mitty High School in San Jose, California prompted fears about a possible shooting there.

Mason Elementary School in Lee’s Summit was placed on precautionary lockdown Monday due to “a reported threat involving the ...

A Lee's Summit, Missouri, elementary school was placed on lockdown Monday afternoon after a threat was communicated to law ...

Officials with the Lee's Summit School District said the high school was placed on lockdown, nobody allowed to come in or out ...

New London High School was placed on lockdown on Tuesday after a report of a student possibly in possession of a weapon, but ...

Little Rock Central High School is on lockdown Tuesday afternoon after the principal said there was a threat made against the ...

Provo High School was placed on lockdown due to an investigation into a "suspicious call."The high school was placed on ...

Several schools in North Central Florida were placed on lockdown Friday afternoon due to unconfirmed threats ...

Students and staff at Mason Elementary are under lockdown as police investigate a threat involving the school.