By CBS3 Staff

PENNSAUKEN, N.J. (CBS) — Authorities are going through what’s left after a massive fire at a commercial building in Pennsauken, New Jersey. Firefighters were handling hotspots early Wednesday morning before getting the fire under control.

Chopper 3 was over the scene on the 6600 block of Crescent Boulevard around 10 p.m. Tuesday.

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Officials say the burning business was US Auto Auction. The Pennsauken Fire Chief told Eyewitness News four businesses operate out of the entire building.

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“Upon arrival, due to the construction and age of the building and its occupancy, we went to extra alarms. Multiple water supply issues, we had several explosions in the building due to cars being stored in the building,” Chief Joseph Palumbo told CBS3.

Authorities are going through the damage to investigate what may have started the fire. There are no reports of any injuries at this time.

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Stay with CBSPhilly.com for updates on this developing story.