3 Atlanta high schools placed on lockdown over separate security concerns

Classes will continue for the rest of the day at North Atlanta, Midtown, and Carver high schools after lockdowns were lifted Wednesday, Atlanta Public Schools said. All students and staff are safe.CBS News Atlanta North Atlanta High School went on full lockdown Wednesday morning after receiving a threat by phone. As did Midtown High School. The district said students and staff stayed inside their classrooms and asked families not to come to campus during the lockdown.District spokesperson Jonath