Seven people were injured in a bus crash on the Atlantic City Expressway on Tuesday morning, according to reports.

At around 4 a.m., an NJ Transit bus traveling west on Atlantic City Expressway from Atlantic City to Philadelphia veered off the road in Hammonton, slamming into a tree, 6ABC reported. Of the 10 people on board — nine passengers and the driver — seven suffered minor injuries.

New Jersey State Police is leading the investigation and still looking into the cause of the bus crash.