CHICAGO (CBS) — Three men were killed and at least nine other people have been wounded in shootings across the city since Friday afternoon, according to Chicago Police.

Most recently, a man was killed in an East Side neighborhood drive-by shooting that left another man hurt about 1:20 a.m. Sunday on the Far South Side. Two 18-year-old men were getting into a parked vehicle in the 10900 block of South Mackinaw when a silver Chevrolet Malibu drove by and someone inside fired shots in their direction. One man was shot in the back and taken to Christ Medical Center in Oak Lawn, where he was pronounced dead, police said. The other man suffered a laceration to his left ear, thought to be cause by shattered glass from the vehicle. He was taken in good condition to Trinity Hospital.

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The Cook County medical examiner’s office has not released any information on the fatality.

Shortly before 1 a.m. Saturday, two people in hooded sweatshirts opened fire into a crowd at a party in the 6500 block of South Drexel in the Woodlawn neighborhood on the South Side. A 20-year-old man was shot in the face and torso, and a 37-year-old man suffered a gunshot wound to the chest, police and the medical examiner’s office said. They both died at the scene, making them Chicago’s 100th and 101st homicide victims in 2017. Their identities have not been released.

Additionally, a 29-year-old woman suffered a graze wound to the thigh and was taken in good condition to Northwestern Memorial Hospital, police said. No one was in custody for the shooting, which was considered gang-related.

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The most recent nonfatal shooting happened Saturday night on the Near West Side. A 25 year-old man walked into Stroger Hospital shortly before midnight with a gunshot wound to the right knee, police said. The man, whose condition was stabilized, told investigators he was shot in the 300 block of South Damen, but did not provide any additional details.

Three people, including a 15-year-old girl, were shot shortly after 8 a.m. Saturday in the South Shore neighborhood. The group was in a black Toyota van in the 7400 block of South Baldwin when they exchanged gunfire with people inside a black Chevrolet Tahoe, police said. The 15-year-old girl was shot in her left buttock and was taken to Northwestern Memorial Hospital, where her condition was stabilized. A 20-year-old man suffered a graze wound to the cheek and was taken to a nearby hospital in good condition. A 39-year-old man shot in the right arm was also taken to Northwestern, where he was listed in good condition.

At least four other people were wounded in shootings across Chicago between Friday evening and Sunday morning.

Last weekend — an unseasonably warm Presidents Day holiday weekend — saw at least 37 people shot across the city, leaving five dead. More than 500 people have been shot in Chicago so far in 2017, according to Chicago Sun-Times data.

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2016. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)