HOUSTON, Texas (KTRK) -- A fire that temporarily shut down part of Terminal C North at George Bush Intercontinental Airport last week has been ruled as an accident, according to the Houston Fire Department.

HFD arson investigators determined the fire started in the overhead exhaust system above the cooking area inside Ember restaurant in Terminal C North on Oct. 27.

RELATED: No injuries reported after restaurant fire at IAH's Terminal C North, Houston Fire Department says HFD said emergency crews responded to the fire around 4:20 p.m. on the day of the incident.