MULLICA TOWNSHIP, N.J. (AP) — A young boy was killed and a man was injured when their car struck a tree on a southern New Jersey roadway.

But it’s still not clear what caused the crash, which occurred shortly after 9 p.m. Saturday in Mullica Township.

READ MORE: Philadelphia's Fourth Of July Festivities Kick Off With Concert, Fireworks

Police in the Atlantic County community say 10-year-old township resident Jaiden Ohnemuller-Muskett was pronounced dead at the scene of the crash. He had been sitting in the car’s rear passenger seat.

The driver, 28-year-old township resident Philip Muskett, suffered moderate chest and leg injuries and was flown to a hospital. Further details on his condition were not released, and authorities did not immediately disclose his relationship to the child.

READ MORE: 2022 Wawa Welcome America Festival Guide: Road Closures, Public Transportation Information

No one else was in the car and no other vehicles apparently were involved in the crash.

(© Copyright 2013 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)

MORE NEWS: Rhys Hoskins, Darick Hall Homer, Lead Phillies Past Nolan Arenado, Cardinals