Boston police say a 16-year-old boy shot in the chest as he rode his bicycle is expected to survive.
The victim was shot at about 6 p.m. Tuesday in front of a church in the city's Mattapan neighborhood.
The boy was taken to Boston Medical Center for treatment.
Witnesses say the boy was chased down the street by a gunman and police say they recovered four shell casings at the scene.
There was no word on any arrests or what led to the shooting.