HAINES CITY, Fla. — 12:15 p.m. update: Polk County Schools posted on its Twitter page that parents can pick up their chidren at Lake Eva Center, 799 Johns Avenue.

Students will be transported either to their assigned bus stop, or back to to the Haines City High campus if they normally walk or drive to school, officials said.

Spectrum News reporter Stephanie Claytor reported long lines at the center. None of the children was exposed to the ammonia leak.

Schools officials are evacuating Haines City High School due to an ammonia leak in the area of Haines City. 

Polk County Schools sent an email to parents informing them of the evacuation. 

Officials said students and staff members are safe and are being evacuated to the Lake Eva Event Center as a precaution. The event center is located at 799 Johns Ave. in Haines City. 

Parents are asked to pick up their children at the event center. Parents must bring their ID and be listed on the student's emergency card. 

If parents are unable to pick up their children, staff members will remain with students and supervise them.