CHICAGO (CBS) — At least 13 people have been wounded in shootings across the city since Friday evening.

Most recently, a man was shot Saturday afternoon in the Grand Crossing neighborhood on the South Side. The shooting happened about 1:56 p.m. in the 7100 block of S. Ingleside, according to Chicago Police. The 18-year-old man was transported to University of Chicago Hospital in good condition. Police said the victim told detectives he was in an alley when he heard shots and felt pain, but was otherwise being uncooperative with investigators.

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About 11 hours earlier, three men were shot while they were walking on the Near North Side. They were standing on the street about 2:50 a.m. in the first block of West Elm when a gray SUV pulled up and someone got out and fired multiple shots, police said. A 21-year-old man was shot in the left foot, a 23-year-old man was shot in his left ankle and a 28-year-old man was struck in his buttocks. All three were taken to Northwestern Hospital, where their conditions had stabilized.

A police source said the 21-year-old and 28-year old are documented gang members and the 23-year-old is a felon. The victims are not from the area and police are looking into a possible narcotics connection as a motive for the shooting.

Less than an hour before that, a man was shot while he was driving in the Archer Heights neighborhood on the Southwest Side. About 2 a.m., the 40-year-old was in a vehicle headed west in the 5300 block of South Archer when a blue sedan with multiple people inside pulled alongside him, police said. One of the people inside the sedan fired shots in his direction and he was struck in the leg. He took himself to Mount Sinai Hospital, where his condition was stabilized.

Fifteen minutes earlier, a 25-year-old man was shot in the Brighton Park neighborhood, police said. He was a passenger in a vehicle in the 4000 block of South Albany when someone fired shots and he was struck in the abdomen. He was taken to Mount Sinai Hospital in critical condition.

Two people were shot about 1:10 a.m. in the East Garfield Park neighborhood. A 25-year-old man and 19-year-old woman were sitting in a parked vehicle in the 3200 block of West Warren Boulevard when a silver vehicle pulled up and someone inside shot at them, police said. The man was shot in the head and the woman was struck in the left leg, police said. Both were taken to Mount Sinai Hospital, where the man was in critical condition and the woman was in good condition.

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On Friday night, a 19-year-old man said he was shot in the Roseland neighborhood on the Far South Side. He said he was shot about 10:20 p.m. in the 10900 block of South Wentworth, according to police. He walked into University of Chicago Medical Center with a graze wound to his leg and his condition was stabilized.

The man was not being cooperative with investigators and gave multiple locations for where the shooting occurred, police said. The department received no calls of shots fired in the area of 109th Street and Wentworth Avenue during the time frame he gave. Additionally, Calumet District officers could not find evidence of a shooting or witnesses in the area.

Nearly two hours earlier in the Lawndale neighborhood, officers responded to a call of a person shot at 8:32 p.m. and found a 33-year-old man on the sidewalk in the 1300 block of South Harding, police said. He was shot in the abdomen and taken to Mount Sinai Hospital in serious condition.

Minutes before in the Austin neighborhood on the West Side, a 22-year-old man was shot during a robbery, police said. About 8:30 p.m., he was walking in the 700 block of North Leamington when two people walked up and demanded his property. When he refused to hand over his belongings, he was shot in the left foot. Both of the suspects then ran away, according to police. The man took himself to West Suburban Medical Center in Oak Park and was listed in good condition.

About the same time, a man was shot in the Gresham neighborhood on the South Side. The 47-year-old was fighting with another male at 8:30 p.m. in the 8100 block of South Halsted, police said. While they were fighting, someone got out of a vehicle and shot him in the left shoulder before running away. The man was taken to Christ Medical Center in Oak Lawn in good condition.

The first shooting of the weekend happened in the North Lawndale neighborhood on the Southwest Side. A 16-year-old boy was inside a home with two other people at 6:13 p.m. in the 1500 block of South Kedzie when a gunshot was heard, according to police. He was taken to Mount Sinai Hospital in critical condition with a gunshot wound to his face.

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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.)