Birmingham police are responding to a report of several people shot, including at least two on Interstate 59/20.

Multiple calls started coming into Birmingham’s 911 center about 4:40 p.m. The initial call was of masked men firing into occupied vehicles.

One of the callers said a person was on the ground outside of a vehicle with a gunshot wound, according to police radio traffic.

That location is on I-59 southbound near Bush Boulevard.

Another call came in of someone else shot nearby.

Police then learned at least two gunshots victims were dropped off at the emergency room at UAB Hospital.

Witnesses reported an exchange of gunfire, but police have not confirmed those accounts.

Birmingham Fire and Rescue Service Lt. Catina Williams said firefighters transported two males from the interstate to UAB Hospital. The severity of their injuries is not yet known.

Traffic on the interstate is at a standstill and authorities have shut down the roadway to investigate. Officer report numerous shell casings on the roadway, calling the interstate “a crime scene.”

This is a developing story and will be updated as more information becomes available.