UPDATE:

The Acting Junction City Fire Chief Rick Rook reported firefighters responded to an automatic fire alarm call at the Century Link building for a report of smoke in the building.

Crews checked the building. There was no fire.

Rook says authorities believe recent efforts by to update the HVAC system involved venting, and there may have been a ventilation issue with the emergency backup generator. When it turned on it may have inhaled in some exhaust fumes.

There were no injuries, and no damage.

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Junction City police have confirmed that exhaust fumes from an emergency generator at the building set off smoke alarms on the second floor of the structure.

There have been no injuries reported.

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Junction City firefighters responded about 10:45 a.m. Tuesday to the Century Link building near 6th and Jefferson after receiving a call on an odor of smoke. Three fire trucks rolled to the scene.

There have been no reports of injuries.

Firefighters are investigating at the scene.