The free bus stops in Logan Sqaure and Humboldt Park, where child food insecurity is 28 percent.
The shootings took place Saturday night and Sunday afternoon.
So far 12 people have been shot, seven of them in a shooting that left a 13-year-old boy dead.
Four other boys and two men were injured in the shooting, which police said was gang-related.
The boy was shot in the abdomen about 11 a.m., police said.
Accused of bringing a gun to a fistfight and killing a child, Tevin Lee was ordered held without bail.
Despite Shamiya Adams' slaying, Nate Pendleton said residents can't be afraid of "irresponsible idiots."
Tevin Lee, 18, is accused of firing at rivals and striking the 11-year-old girl with a stray bullet.
The fundraiser will be from 3-6 p.m. Thursday on the patio at Fatso's Last Stand, 2258 W. Chicago Ave.
A 15-year-old girl was shot in North Lawndale, and a 17-year-old girl was shot in Pilsen, police said.
Ashburn native Keven Stonewall, 19, is helping to develop more effective colon cancer treatments.
Supt. Garry McCarthy said "very young kids" were involved in Friday's slaying of an 11-year-old girl.
Shamiya Adams was an "active member" at the First Baptist Congregational Church, its pastor said Sunday.
Shamiya Adams was on a sleepover with friends when a bullet entered the house and struck her.
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