Crews are investigating a Hazmat situation at the Lakeland Polk County Government Center.

The building was evacuated for several hours.

About 16 people were exposed to a material believed to be a white powder. About 50 people were in the building at the time.

Water was used to help the people exposed.

There were no signs of any injuries.

Lakeland police are investigating, and the Federal Bureau of Investigation has been called in as well.

The building is located at 930 E. Parker St.