An ammonia leak at a food storage facility has shut down roads, and closed businesses in Portland, Maine.
Crews are on the scene at Advance Pierre Foods on Milliken Street, where a hazmat team responded to a leak from a tank or pump at dangerously high levels.
Workers at a nearby window making company said one of their employees smelled the toxic gas early in the morning and called firefighters.
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No workers were inside the building at the time and there are no injuries, but people living near the industrial park are on high alert.
As hazmat teams work to contain the gas and continue to close Milliken Road they are asking neighbors to report any suspicious smells and stay inside.
Portland Fire Chief David Jackson said there were no employees in the part of the building with the leak. Employees will not be allowed to operate in either one of the facilities for the time being.