The Brainerd Fire Department responded to four calls Sunday and Monday.
Firefighters responded to two calls Sunday, with the first one at 11:04 a.m. at a residence on the 14000 block of Cottage Grove Drive for a carbon monoxide alarm. Firefighters determined it to be a faulty detector.
Shortly after call, at 11:23 a.m. Sunday, there was a report of a vehicle fire on the 900 block of Washington Street. Firefighters arrived and found the fire was already extinguished.
Firefighters responded to two calls Monday night. There was a structure fire reported at 8:51 p.m. on the 1700 block of Oak Street. Firefighters extinguished the fire, which was contained in the living room. Estimated damage was $3,250.
Firefighters then were called at 10:21 p.m. to a residence on the 9300 block of St. Mathias Road for a carbon monoxide alarm. Firefighters determined it to be a faulty detector.