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The source also said that law enforcement, for the entire time, possessed a Halligan tool that could have breached a locked classroom door. [91] The source added that Pete Arredondo had tried various keys not on the classroom door to classrooms 111 and 112 where Ramos was in, but on other classrooms nearby in an attempt to identify a master key ...
Crash bar. A crash bar (also known as a panic exit device, panic bar, or bump bar) [1][2] is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.
According to some reports, the classroom's teacher, Victoria Leigh Soto, had concealed some of the students in a closet or bathroom, and some of the other students were hiding under desks. [53] Soto was walking back to the classroom door to lock it when Lanza entered the classroom. [64]
Electronic lock on a school arts room in Hong Kong. School security encompasses all measures taken to combat threats to people and property in education environments. [1] One term connected to school security is school safety, which is defined as the sheltering of students from violence and bullying, as well as exposure to harmful elements such as drugs, guns and gang activity. [2]
[111] [116] The latter ran into a science classroom and warned everyone to hide. Klebold walked over towards Sanders, who had collapsed, and tossed a pipe bomb, then returned to Harris up the library hallway. [126] Sanders struggled toward the science area, and teacher Rich Long took him into a classroom where 30 students were located.
Lockdown. A lockdown (/ ˈlɒkˌdaʊn / ⓘ) is a restriction policy for people, community or a country to stay where they are, usually due to specific risks that could possibly harm the people if they move and interact freely. The term is used for a prison protocol that usually prevents people, information or objects from leaving an area.
15-year-old Samuel Hengel took 23 students and a teacher hostage inside a classroom of Marinette High School for five hours. He had stormed into the class, firing with a handgun at a movie projector. Police persuaded Hengel to release the hostages. After officers entered the building, Hengel shot himself in the head. He died the next day. [137]
In a backpack, he carried heavy duty chains and locks, a hammer, a knife, two handguns with nineteen 10- and 15-round magazines, and nearly 400 rounds of ammunition. [6]: 88 With the locks and chains, he chained the three main entrance doors shut and placed a note on one, saying that attempting to open the door would cause a bomb to explode ...
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