1 critically injured in Dorchester shooting; 4th shooting in Boston in less than 1 week

One person was injured in a shooting early Tuesday in Dorchester. It's the fourth shooting in the city in four days.

Boston police officers responded to the area of 25 Dacia St. in Dorchester following a radio call for a person shot.The shooting is the latest in a string of incidents under investigation in the city.

On Sunday, a woman suffered life-threatening injuries in a shooting on Kingsdale Street as shots rang out on Mother's Day. A man was injured in the shooting.

That shooting happened less than 24 hours after another double shooting in Dorchester. Police said two people were shot Sunday at 2 a.m. on Geneva Avenue.

Both were taken to a hospital, and their conditions have not been released.

On Saturday night, Michael Jacob, 30, of Randolph, was shot and killed on Woolson Street in Mattapan.

No arrests have been made in any of the three shootings, police said.