Police say a woman in her 50s was shot in Chelsea, Massachusetts, on Thursday afternoon.
The shooting was reported in the area of Washington Avenue shortly after 1 p.m., police said.
The woman told police she was sitting in her vehicle when she was shot. She tried to drive herself to the hospital but was eventually taken by ambulance to Massachusetts General Hospital in Boston for a serious chest wound.
Police said they do not believe the woman was the intended target. They think the shooter was aiming for people in another vehicle that fled the scene.
Aerial footage showed a heavy police presence and crime scene tape being put up at separate locations on Washington Avenue and on Everett Avenue.
Police said a silver Acura that might have been involved fled the initial scene but was later stopped in Revere. A male suspect was also seen fleeing on foot down Sixth Street toward the Silver Line MBTA station after the shooting.
Chelsea and state police detectives are at the scene and the investigation is ongoing.
No further information was immediately available.