CLARK, NJ - The annual township fireworks display lit up the sky over Clark with a bang this year on the grounds of Arthur L. Johnson High School on July 4.   According to Mayor Sal Bonaccorso , this year's show brought a record crowd.   Attendees were treated to a spectacular show of lights accompanied by patriotic music provided by a live DJ.  Food trucks and vendors were on hand to round out the festivities.   Click below to start a slideshow overview of the event.