Firefighters were called to a NI Housing Executive building in Belfast city centre on Monday morning after a fire broke out in an elevator control panel.
The alarm was raised shortly after 9am and a number of fire crews attended the scene at Great Victoria Street.
It is understood the building was evacuated during the emergency.
There are no reports of anyone having been injured.
A spokeswoman for NI Fire and Rescue Service said: “Firefighters were called to a smell of smoke at NI Housing Executive building, Great Victoria Street, Belfast.
“Firefighters dealt with a small electrical fire in the controls to a lift on the 10th floor. The incident was dealt with at 9.42am.”