CLIFFSIDE PARK, N.J. (AP) -- A massive fire that broke out Tuesday night burned through and destroyed a New Jersey pharmacy and convenience store.

The fire broke out around 7:30 p.m. Tuesday in Cliffside Park. Crews from at least half a dozen New Jersey towns were on scene trying to tamp down the fire, which was still active late Tuesday night. AJ's Pharmacy on Anderson Avenue suffered the most extensive damage.

Authorities are still trying to determine the cause of the fire. The fire emitted heavy levels of smoke, making conditions dangerous for firefighters.

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