A fire broke out at Fine Hall on the Princeton campus around midnight Saturday and was quickly extinguished by the sprinkler system. The building is closed as crews clean up water damage.
The fire was contained to a classroom on the 12th floor. Sprinkler water runoff affected that floor and most of those below it.
Fine Hall tower at Princeton University, which houses the Department of Mathematics.
Classes will not be held in the building Monday and Tuesday. University officials are working to move the classes to other locations. Affected students and faculty members will be notified by email.
The cause of the fire is under investigation.
A firefighter from the Princeton Fire Department needed medical assistance and was taken to a hospital and released. No one else was hurt.
Other agencies responding to the fire included Kingston Fire Company, Lawrence Road Fire Department, Mercer County Prosecutor's Office, Plainsboro Fire Company, Princeton Fire Marshal, Princeton First Aid and Rescue Squad, and West Windsor Emergency Services.
From the University, responders included the Department of Public Safety, the Facilities organization, Site Protection and Princeton Plasma Physics Laboratory Emergency Services.