Johnson Park Middle School closed Thursday after students exposed to mercury from broken thermometer

COLUMBUS, Ohio - A spokesperson for Columbus City Schools told 10TV Johnson Park Middle School will be closed Thursday after students were exposed to mercury from a broken thermometer.The spokesperson said the thermometer broke during an 8th grade class on Wednesday and a limited number of students were exposed.The spokesperson said some students handled the mercury but no one has shown any symptoms of being affected by the mercury.The school district is working with the students and their famil