CHICAGO (STMW) — Two men were killed and at least 17 others were wounded in shootings across Chicago late Friday into early Saturday.

The weekend’s first fatal shooting killed a 22-year-old Aurora man and wounded another person in the West Side Austin neighborhood, according to authorities.

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Richard Johnson, of the 1600 block of Plum Street in Aurora, was killed in the shooting in the 500 block of South Kilpatrick Avenue at about 6:22 p.m., according to police and the Cook County Medical Examiner’s office.

He was initially taken to Mount Sinai Hospital in critical condition, where he later died, authorities said. Another man, whose age is unknown, was also injured in the shooting and taken to John H. Stroger Jr. Hospital of Cook County in serious condition.

An 18-year-old man was shot and killed just a block from his West Pullman home on the Far South Side about 12:15 a.m., authorities said. Derrick L. Baker, of the 11600 block of South Yale Avenue, was shot in the head near 115th street and Wentworth Avenue, according to the medical examiner’s office.

He was dead at the scene, officials said. The attack also wounded a 25-year-old man, who was treated at Roseland Hospital in “stable” condition for gunshot wounds to the knee and foot.

Shootings across the city left 15 other people wounded, mostly men in their late teens or early 20s who are listed in good or “stable” condition.

However, at least two men shot early Saturday remain in critical condition, and four other men were seriously wounded, according to authorities.

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One, a 26-year-old man, was walking with another man to a store when they heard gunfire in the 3300 block of West Cullom Avenue, in the Northwest Side Irving Park community.

He was shot multiple times and taken to Advocate Illinois Masonic Medical Center, police said. The other man, 21, was shot multiple times in the leg and is listed in “stable” condition at Swedish Covenant Hospital.

Another man is in critical condition at Advocate Christ Medical Center in Oak lawn after he and two other people were shot at 3:32 a.m. in the 6900 block of South Bishop Street, police said. The man, 23, was shot multiple times in the neck, arm and chest.

A 20-year-old man was shot in the arm and shoulder and taken in serious condition to Stroger Hospital, while a 17-year-old boy shot in the leg is listed in good condition at Christ Hospital, police said.

That teenager and another 17-year-old boy hurt in a separate attack were the weekend’s youngest shooting victims.

The other teen was shot in the foot at 12:46 a.m. while he was in the 2800 block of North Mason Avenue in the Belmont Craigin neighborhood on the city’s Northwest Side, police said. He was treated in good condition at Our Lady of the Resurrection Hospital.

No one is in custody for any of the shootings as of early Saturday.

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2012. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)