URBANA, Ill. (WCIA) — A biology teacher was taken to the hospital after a fight broke out at Urbana High School.

At least a dozen law enforcement officials remained on scene after a lockdown at the school was lifted. The lockdown was put in place during the lunch period when the fight caused the teacher and at least one student to be hurt.

Police say 7 juveniles and one adult were arrested. No word what charges may be faced.

School officials say the lockdown has since been lifted and the 7th and 8th hours of the school day have been shortened, however, students will be dismissed at 1:20 pm.

At the height of the incident, at least 20 squad cars were on scene including officers from Urbana, Champaign and UI. The cause of the fight has not been released.

This story will be updated as more information is released.