The fire started inside the Thomas Buck Hosiery Factory in Kensington on April 9.
The Bureau of Alcohol, Tobacco, Firearms and Explosives has confirmed to NBC10 that store owner Richard Knellinger has been arrested in connection with the massive Kensington factory fire that killed two Philadelphia firefighters in April.
Knellinger owns the furniture store adjacent to the abandoned Thomas Buck Hosiery Factory at York and Jasper Streets. The fire started inside that factory in the early morning hours of April 9.
Knellinger was arrested by the Arson Task Force on charges of fraud and perjury.