Several people at Ivy Court Inn and Suites in South Bend reportedly suffered from what dispatch called "inhalation injuries."

The fire captain on the scene told NewsCenter 16 that people's reaction was caused by peppermint oil.

As a precaution, the building was evacuated. As of about 12:45 a.m., people had been allowed to re-enter the building.

At least one person was hospitalized as a result of the incident. No immediate word on anyone's condition was made available.

Police and fire personnel were called to the scene at 10:50 p.m., according to dispatch.

This is a developing story. Stay with NewsCenter 16 online and on the air as we learn more.