The shooting happened in the 1200 block of North Laramie Avenue.
The victims include two 15-year-old boys and a 17-year-old girl.
The incident occurred at 6:34 p.m. in the 4700 block of West West End Avenue, police said.
Supt. Eddie Johnson said the bill should put repeat gun offenders on notice that they will go to prison.
David Purnell was acquitted of all charges after being arrested Jan. 1, 2014.
Donovan was on his way with his family to get Christmas haircuts in December 2013 when he was killed.
Shootings have wounded four people just since early Friday.
Murals, sculptures and installations will be unveiled in each of Chicago's 50 wards by the end of 2017.
Fewer homes on the market keep competition, cost up, report says.
Orr, 72, who served 39 years in elected positions, will become a fellow at the University of Chicago.
The inspector general's office reviewed 300,000 emails during the probe.
The full City Council is expected to approve the crackdown at its meeting Wednesday.
The clock was derided as "tacky" by one aldermen. Activists criticized the 3-minute proposed limit.
Most recently, a woman was shot to death in an apparent murder-suicide on the Skyway.
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