Authorities battled a three-alarm fire Saturday morning at a commercial building in Allegheny Township, a Butler County dispatcher reported.

The fire at Oxbow Activated Carbon, 3539 Oneida Valley Rd., Butler County, broke out around 8 a.m. but was under control within an hour.

The building is a processing plant that was acquired from Superior Adsorbents in July 2015. The plant was not in operation at the time of the fire, no injuries were reported and the fire’s cause is still unknown, according to an Oxbow Activated Carbon statement obtained by our media partner KDKA-TV.

No other information was immediately available.

First Published: February 6, 2016, 2:46 p.m.
Updated: February 6, 2016, 6:32 p.m.