Lake Brantley High School in Altamonte Springs, Florida, was put on lockdown Friday morning as authorities investigate a social media threat, the school said in a statement on Twitter.
원문출처 : https://www.cnn.com/2020/02/14/us/lake-brantley-high-school-lockdown/index.html
원문출처 : https://www.cnn.com/2020/02/14/us/lake-brantley-high-school-lockdown/index.html