Shortly before 8:45 p.m., the victim exited a business in the first block of West Van Buren Street when someone emerged from a crowd and attacked him with a knife, police said.

The victim suffered a large laceration to the left arm, and was taken to Northwestern Memorial Hospital where his condition was stabilized.

No one was in custody, and detectives were investigating.

About 12:30 a.m. Wednesday, the man was involved in an argument with a male after attempting to deliver food in the 1200 block of West 68th Street. Someone opened fire striking the delivery driver in the head. He was taken in critical condition to UChicago Medicine, police said.

No one was in custody, and detectives were investigating.

About 11 p.m., the woman was driving a Chevrolet Malibu in the 800 block of West Garfield Boulevard when a silver SUV approached and someone inside opened fire. The victim suffered a gunshot wound to the upper back and lost control of her vehicle striking a Volkswagen Jetta in the 5400 block of South Halsted Street, police said.

The 19-year-old woman was taken to UChicago Medicine where she was pronounced dead. She was identified as Cyra C. Magby of the 7800 block of South St. Lawrence Avenue, according to the Cook County medical examiner’s office.

Another 19-year-old woman who was a passenger inside the Malibu suffered lacerations to the face and also was taken in serious condition to the same hospital where her condition was stabilized, police said.

The driver of the Jetta and a passenger, a 43-year-old man and a woman, 40, were taken in good condition to Stroger Hospital with minor injuries, police said.

The silver SUV fled north from the scene. No one was in custody and detectives were investigating.

Shortly before 8:30 p.m., the boy was on a sidewalk in the 2700 block of South Komensky Avenue when a witness saw someone open fire in the boy’s direction before fleeing south.

The boy was struck multiple times to the body, and was taken to Stroger Hospital where he was listed in critical condition, police said.

No one was in custody and detectives were investigating.

Current conditions at O’Hare International Airport is overcast at 78 degrees, and farther south at Midway Airport is the same at mostly cloudy at 75 degrees.

Officials said scattered showers are expected Saturday with the potential for isolated thunderstorms, but severe weather was not expected.

Shortly before 10:50 a.m., the victim was outside in the 5900 block of West Roosevelt Road when he was approached by someone who opened fire in his direction. He suffered multiple wounds to the body and was taken to Mount Sinai Hospital where he was listed in critical condition, police said.

No one was in custody for the attack, and detectives were investigating.

The girl was charged with four counts of robbery and four counts of aggravated battery to a transit employee, police said.

An arrest warrant was issued for the young teen after she was identified as one of people who participated in May robberies that happened on CTA property. She was arrested Friday by members of the Bureau of Counter-Terrorism Mass Transit Team in the first block of east Roosevelt Road.

On May 6, a 23-year-old woman was battered and robbed around 8:30 p.m. in the first block of West Cermak Road.

On May 10 three more victims were battered and robbed, police said. The first May 10 robbery happened about 10:45 p.m. in the first block of West 79th Street when a 29-year-old man was battered and robbed. Shortly after midnight in the first block of West 95th Street a 22-year-old woman was battered and robbed. Shortly after 2:15 a.m., a 21-year-old woman was battered and robbed in the first block of West Cermak Road.

Shortly before 7:15 p.m., a squad car traveling east on 63rd Street struck an unmarked squad car traveling south on Racine Avenue causing the marked squad car to hit a Cadillac headed north on Racine, police said.

The driver of the Cadillac refused medical help at the scene, but five officers were taken to local hospitals for non-life threatening injuries, police said.

Shortly after 12:15 p.m., the workers fell from a scaffold during high winds, landing on the ground, said Larry Langford, Chicago Fire Department spokesman. The surviving worker is in critical condition at UChicago Medicine, a few steps from the site.

Officials said the workers were building a new cancer research center in the 5600 block of South Maryland Avenue.

The workers’ employer, New Horizon Steel, has not been previously investigated, according to the U.S. Department of Labor’s Occupational Safety and Health Administration. The administration has opened an inspection into the accident, a, OSHA spokesperson said. The investigation will take up to six months to complete.

OSHA investigators were on scene Thursday where police tape blocked off much of the medical complex. University police officers patrolled the stretch of East 57th Street from Cottage Grove Avenue to Drexel Avenue.

Turner Construction, the general contractor for the project, does not have an inspection history in Illinois from the last five years.

About 1:30 p.m., the woman was in the 200 block of South Canal Street when she was approached by a male suspect who stabbed her multiple times with a sharp object, police said. The suspect fled the scene but was caught by officers a short time later, police said.

The woman was taken to an area hospital where she was listed in critical condition.

Detectives were investigating the circumstances leading up to the attack and charges were pending against the suspect.