PHILADELPHIA, Pennsylvania — A passenger is dead and a driver remains in critical condition following a multi-vehicle collision involving a SEPTA bus in Southwest Philadelphia on Wednesday afternoon.

The big picture:

The fatal incident occurred at approximately 4:15 p.m. at the intersection of Island and Buist avenues. Local authorities confirmed that the crash involved three vehicles: a 2019 Honda CRV, a SEPTA bus, and a black Jeep Compass, CBS News reported. Emergency responders transported the occupants of the Honda to a nearby trauma center as investigators closed the intersection to process the scene.

• Fatal outcome. A passenger in the Honda CRV was pronounced dead at Penn Presbyterian Medical Center at 5:20 p.m.
• Critical injuries. The driver of the Honda remains hospitalized in critical condition following the high-impact collision.
• Other parties. Police reported that the driver of the Jeep Compass did not report any injuries at the scene.

The details:

The circumstances leading up to the crash remain unclear as accident investigators work to determine the sequence of events at the busy Southwest Philadelphia junction. While the Honda CRV sustained the most significant damage resulting in the casualties, the extent of the damage to the SEPTA bus and the Jeep Compass has not been fully disclosed. Police have not yet released the identities of the victims pending family notification.

• Emergency response. Medics rushed the two victims to Penn Presbyterian Medical Center immediately following the 4:15 p.m. wreck.
• Ongoing investigation. Philadelphia Police are currently reviewing surveillance footage and witness statements to determine fault.
• Traffic impact. The intersection of Island and Buist avenues saw significant closures during the evening rush hour as crews cleared debris.

What’s next: The Philadelphia Police Department’s Accident Investigation Division is leading the inquiry. Authorities are expected to provide updates as they determine if speed or traffic violations played a role in the fatal crash.