A Florida State University student recalled the terrifying moment he and his classmates used chewed-up gum to cover their classroom windows with paper as gunfire rang out during Thursday’s mass ...

Brian and Ricky Coe came up with the answer: a thick, metal sliding shield to cover the classroom door window and a bar to seal the entire door closed. So easy, they say, a child can do it.

And students from Richland Two Institute of Innovation in Columbia, South Carolina, devised an electromagnetic system that remotely locks doors and covers windows to seal off classrooms from threats.

Nearly 20 officers were in a hallway for more than 45 minutes before agents used a master key to open a door and confront the gunman, authorities said. Latest U.S.

A Twitter user tweeted a 45-second video, showing a man demonstrating how to block a classroom door with a chair in an active shooter situation. The video has already been viewed more than 1.8 mill… ...

'They had us cover any windows that would be exposed in the classroom,' said Melissa Parrish, a first-grade teacher in Los Angeles who told CNN her school conducted a drill the day after the Robb ...