A furnace leak caused an evacuation in Petrolia over the noon hour Tuesday.
The Petrolia and North Enniskillen Fire Department responded to the TD Bank on Petrolia Line.
All employees had made it out of the bank safely by the time crews arrived.
Firefighters say after a lengthy investigation, a leak in the furnace system was found to be the cause of a natural gas odour.
Lambton EMS, Union Gas and Oil Springs Fire were also dispatched.
No injuries were reported.
Greenfield Street was closed at Petrolia Line, but reopened around 1 p.m.
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Petrolia Fire responding to the TD Bank in Petrolia for a reported gas leak. December 18, 2018. (Photo by Petrolia Fire)