18-year-old Coral Springs student arrested for school threat that caused widespread concern.

An 18-year-old high school student in Florida was arrested for posting a school shooting threat on social media, causing panic across the state and even the nation. The student, who sent the threat fraudulently using another student's name and computer access, has been charged with multiple felonies. The student admitted to the threat and claimed it was meant as a joke. Law enforcement agencies and schools have assured parents and students that the viral online threats were not credible, but some students stayed home as a precaution.