Updated 10:23: The Jacksonville Sheriff's Office have given the all clear, and students are returning to class.
Duval County Public Schools is announcing a lockdown for Andrew Jackson High School.
Students and staff have been evacuated as officers search the school. According to Mark Sherwood, from the DCPS, the students have been relocated to a safe location off campus. Parents are asked not to call their students.
If they want to pick up their children, they can do so at 32nd and Pearl Street,
Sherwood said the threat came in as an e-mail to administrators.
Traffic will be blocked on Main Street between 30th and 27th street.
The bomb threat is the second to shut down an area high school in two days. Orange Park High School students are returning to class Wednesday morning after a bomb threat shut down their school Tuesday. No physical threat was located at the school.
