At least three people were killed and four others were hurt in weekend shootings across the city. The ages of the victims range from 16 to 39. In the first shooting of the weekend, a 17-year-old boy was on the sidewalk in the 5000 block of South King Drive around 6:30 p.m. when he was shot in the right leg by an unknown person.

A 4-year-old boy was critically wounded in a shooting Wednesday evening on the city’s Southwest Side, police said.