Ten juveniles were among the 19 people shot in Chicago over the weekend.
The older boy was taken to Stroger Hospital in serious condition, police said.
An 18-year-old woman and two 17-year-old boys were taken to Mt. Sinai and Loretto hospitals, Merritt said.
A Chicago Fire Department paramedic was wounded in a hit-and-run after a car crashed into an ambulance Tuesday in Lawndale on the West Side.
The 17-year-old girl was allegedly seeking revenge when she released the spray about 10 a.m. Friday in the direction of a 16-year-old boy, Chicago police said.
Mylez Tucker, a 15-year-old boy who was reported missing Jan. 3 from Lawndale on the West Side has been found, Chicago police said.
A Romeoville man is charged with threatening Chicago police officers with a BB gun inside the Lawndale police station.
A man walked into a police station in Chicago, threatened officers with a BB gun and expressed his displeasure with police in general, officers said. He was arrested.
In both cases, the suspects approached someone on a train and demanded or took property from them
A man was shot three times while walking in Lawndale on Saturday.
The fire was struck out about half an hour later, officials said.
No officers were hit in the shooting that took place in the 1300 block of South Homan Avenue, a Chicago police spokeswoman said.
Ashanti Gates was last seen Sunday in the 1200 block of Keeler Avenue, according to Chicago police.
Two people were wounded in a drive-by shooting in Chicago's Lawndale neighborhood on the West Side.
Lawndale residents are warned to watch out after several homes are burglarized.
SUNDAY 8:55PM UPDATE: Fryda Jimenez has been safely located.
When two gunmen opened fire near 16th and South Homan Sunday afternoon, one man who has lived in the North Lawndale neighborhood for 50 years, said he thought he was going to die.
A 13-year-old girl who was reported missing from Lawndale on the West Side has been found.
Police are warning the public after two cellphone thefts were reported this month on the CTA Pink Line in Lawndale.
Two teen boys and 23-year-old woman were wounded Saturday in a shooting in Lawndale on the West Side.