Police are investigating what may have led to a fatal automobile accident in the Society Hill section of Philadelphia early Sunday morning.
The incident occurred on the 400 block of Lombard Street shortly after 3:30 a.m.
Police say a Toyota SUV was traveling southbound on Lombard when it hit a curb and went through two trees before flipping over.
The 21-year-old male driver was ejected from the vehicle and was pronounced dead at the scene.
Three other passengers inside the vehicle were unharmed.
Police believe speed may have been a factor in the crash.
The investigation is ongoing.