Nine men were killed and at least 40 other people were wounded in shootings across Chicago between Friday evening and Monday morning.

The weekend’s latest homicide happened Sunday night in Uptown. Gregory Dion-Tucker, 25, was driving south in the 4500 block of North Hazel at 8:35 p.m. when someone fired shots, striking him in the head, according to Chicago Police and the Cook County medical examiner’s office. Dion-Tucker, of the 4800 block of North Winthrop, was taken to Illinois Masonic Medical Center, where he was later pronounced dead, authorities said.

A few hours earlier, an 18-year-old man was fatally shot in the Marquette Park neighborhood on the Southwest Side. Officers responding to a call of a person shot in the 2500 block of West 68th Street at 6:09 p.m. found Latwon A. Rogers at the mouth of an alley with a gunshot wound to the head and multiple gunshot wounds to the body, authorities said. Rogers, of the 5800 block of South Campbell Avenue, was taken to Christ Medical Center in Oak Lawn, where he was pronounced dead at 6:47 p.m.

Saturday morning, a man was gunned down in the Little Village neighborhood on the Southwest Side. About 7 a.m., officers responding to reports of shots fired in the 2600 block of West 23rd Street found 26-year-old Vincent Zarco unresponsive with a gunshot wound to the head, authorities said. Zarco, who lived in the 2400 block of Wesley Avenue in Berwyn, was taken to Mount Sinai Hospital, where he was pronounced dead at 7:25 a.m., authorities said. Officers also saw a vehicle drive away from the scene. When they attempted to pull it over, the driver threw a gun out of the window. The two people inside the vehicle were taken into custody for questioning, but were released without charges being filed.

Several hours earlier, a man was shot to death in the South Side Woodlawn neighborhood. Davon P. Smith, 26, was outside in the 6100 block of South Rhodes about 4:25 a.m. when a vehicle pulled up and someone fired shots, hitting him in the neck, authorities said. Smith, of the 3500 block of South Indiana, was pronounced dead at the scene at 4:45 a.m.

Friday night, another 26-year-old man was slain in the West Rogers Park neighborhood on the Northwest Side. He was outside at 8:55 p.m. in the 6000 block of North Talman when a group of people walked up and fired shots, hitting him in the chest, police said. He was taken to Saint Francis Hospital in Evanston, where he was pronounced dead at 9:35 p.m. His name has not yet been released.

About 8:15 p.m. Friday, a mass shooting in the East Garfield Park neighborhood on the West Side left one man dead and six more people wounded. They were standing together in the 3300 block of West Maypole when someone in a black vehicle going east opened fire, police said. Three men, ages 26, 27 and 34, suffered gunshot wounds to the arms and legs and took themselves and 32-year-old Jeffrey Brinson to Mount Sinai Hospital, authorities said. Brinson, who suffered multiple gunshot wounds, was pronounced dead at 8:33 p.m. The men were all listed in good condition. Also, a 31-year-old man was shot in the left arm and a 22-year-old woman was shot in the right foot, police said. Both were taken to Stroger Hospital in good condition. A 21-year-old woman suffered a graze wound to the face and was treated at the scene.

About 15 minutes earlier, two men were killed in an Austin neighborhood drive-by shooting on the West Side. Jamal Thomas, 18, and 20-year-old Jermale Richardson were standing by a parked car about 8 p.m. in the 5500 block of West Congress Parkway when a gray sedan pulled up and someone inside fired shots, authorities said. The sedan drove away west after the shooting. Thomas, who lived on the same block as the incident, was struck in the head and taken to Stroger Hospital, where he was pronounced dead at 8:21 p.m. Richardson, of the 1100 block of South Albany, suffered multiple gunshot wounds and was taken to Stroger Hospital where he was pronounced dead at 8:42 p.m.

About 6:45 p.m. Friday, 18-year-old Faizon Smith was in the gangway of a building in the 4500 block of West Maypole in the West Garfield Park neighborhood when someone fired shots from a vehicle and drove away. Smith, of the 4400 block of West Washington, was shot in the chest and was pronounced dead at the scene at 7:26 p.m., authorities said.

The most recent nonfatal shooting happened early Monday in the Austin neighborhood on the West Side. A 34-year-old man told investigators he was driving about 1:45 a.m. when someone in another vehicle stopped at an intersection in the 1600 block of North Cicero opened fire in his direction, police said. The man suffered a graze wound to the back. About 8 p.m. — more than 18 hours after the shooting — he took himself to MacNeal Hospital in Berwyn, where he was listed in good condition.

At 12:10 a.m., a 24-year-old man was shot in the Fuller Park neighborhood on the South Side. He was walking in the 3900 block of South Wells when two males walked up, one of whom pulled out a gun and opened fire, police said. The man was shot in the left hand, right foot and buttocks and was taken to Stroger Hospital, where his condition was stabilized.

At least 32 more people were wounded in other shootings since between about 5:30 p.m. Friday and 9:30 p.m. Sunday.

Additionally, a Chicago Police officer shot a male in the leg at 8:52 p.m. Sunday when officers saw a robbery taking place at a Citgo Gas Station, 1001 N. Cicero Ave., police said. A handgun was found at the gas station and the male was taken to Stroger Hospital in serious-to-critical condition.