There was a haz-mat incident at New London City Hall, 181 State Street, and people are ill, according to authorities.
Several employees reported feeling ill, according to officials from the mayor's office. Emergency crews are checking for leaks.
The incident was reported at 11:10 a.m. and includes an odor in the building, according to officials.
The building was evacuated, but it is now over.
More information will be posted once it becomes available