OAKWOOD, Ohio -- Authorities in Oakwood said two elementary school students were rushed by medics to a local hospital Wednesday morning.

Fire and Vectren officials were called to Harman Elementary School after several students who were practicing for a holiday program became ill. School officials feared there could be a carbon monoxide issue.

School officials said two students got sick and one girl even fainted.

Medics took two students to Children’s Medical Center to be checked. A parent took another child to the hospital as a precaution.

After about an hour, the all-clear was given and the school was allowed to reopen. All students were expected to be OK.