Authorities battle fire at Cartersville Anheuser-Busch plant

<p>Firefighters have put out an ammonia fire at the Cartersville Anheuser-Busch plant.</p><p>The fire, which happened late Monday night, prompted an evacuation of the building.</p><p>No injuries were reported. But officials were trying to determine if the air quality in the plant was safe for employees, Cartersville Assistant Fire Chief Norris Westbrooks said.</p><p>Plant manager Steve McDaniel said the fire began when an ammonia compressor in the utility powerhouse exploded.</p><p>"At this time, we do not know the root cause of the explosion," McDaniel said.</p>