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Parents confer with security following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami, February 14, 2018 .
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve SANDBERG        (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
Parents confer with security following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami, February 14, 2018 .
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve SANDBERG        (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)

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    Evening news briefing from CNN

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Evening news briefing from CNN

Evening news briefing from CNN on Wednesday, February 14.

Evening news briefing from CNN

Evening news briefing from CNN on Wednesday, February 14.