Disneyland hazmat situation sends 4 cast members to the hospital

2 hospitalized in Disneyland hazmat situation

It's unclear if the two people are cast members or theme park guests.

ANAHEIM, Calif. - Four Disneyland cast members were hospitalized following a hazmat situation at the theme park on Tuesday.

What we know:

According to the Anaheim Fire Department, firefighters responded to a report of an unknown odor in the backstage area near the "Star Tours" attraction in Tomorrowland around 12:30 p.m.

Four employees were taken to the hospital for treatment of minor injuries, including dizziness and shortness of breath.

Officials said park operations were not affected.

What we don't know:

The cause of the odor is unknown.