A small electrical fire occurred at Calvin Hall on Monday.

According to UI police, a small electrical transformer was the source of the fire that offcials discovered began in the lower-level room 10B. The call reporting the fire came into dispatch at 9:05 a.m.

University of Iowa police officers and the university’s fire-safety coordinator, Bruce McAvoy, arrived at the scene of the fire within minutes, followed by the Iowa City Fire Department and UI Facilities Management personnel.

Facilities Management cut power to the transformer and the fire was extinguished — damage was confined to the electrical transformer. UI police officers left the scene within 25 minutes of arrival.

Officers evacuated occupants of Calvin Hall, and no one sustained injuries.

Facilities Management will replace the transformer.

— by Nina Earnest