CHICAGO (STMW) – At least four people were killed and 19 others wounded in separate shootings throughout the city that took place from late Friday to Saturday night.

Three of the shootings — one of them fatal— happened at different spots on Francisco Avenue, from the West Side to the Northwest Side, police said.

The fatal shootings include:

•A shooting Friday about 11:55 p.m. in the 4000 block of South Albany Avenue.

A man standing on the street fired shots at a 28-year-old woman who was on a second story balcony, police said. The woman was hit in the lower back and later pronounced dead at Mount Sinai Hospital, police said.

Pricilla Mencado, 28, of the 4000 block of South Albany Avenue, was pronounced dead at Mount Sinai Hospital at 12:34 a.m. Saturday, the Cook County Medical Examiner’s office said.

•A fatal shooting occurred the next day about four blocks south in the East Garfield Park neighborhood. A 22-year-old man was found dead about 1:36 p.m. Saturday in the 700 block of South Francisco Avenue after being shot in the chest and face, police News Affairs Officer Daniel O’Brien said.

Patrick Swinney, of the 2900 of West Polk Street, was pronounced dead at Stein Institute at 4 p.m. after suffering multiple gunshot wounds, the medical examiner’s office said.

•On Saturday, a 13-year-old boy was shot and killed when he and two other males were shot near the intersection of intersection of South Spaulding Avenue and West 46th Street about 9:49 p.m., police said.

Roberto Luna, 13, of 4600 block South Spaulding Avenue, was pronounced dead at 11:19 at Mount Sinai Hospital, according to the medical examiner’s office.

A 15-year-old was also shot in the left forearm and thigh, and a male of unknown age was shot in the left forearm in the same attack that killed the 13-year-old boy, police said. Both were taken to John H. Stroger Jr. Hospital of Cook County in “stable” condition.

•About 11 p.m., a 41-year-old woman was fatally shot in the head while standing on a porch in the 300 block of West 108th Place, police said.

Tonya Gist, 41, of the same address, was pronounced dead at 11:11 p.m. at Roseland Community Hospital, according to the medical examiner’s office.

The non fatal shootings include:

On Friday about 11:30 p.m., an 18-year-old man on the West Side was shot in the right foot after two males approached him and demanded money in the 1100 block of South Francisco Avenue in the Lawndale neighborhood, police said. He was taken to Mount Sinai Hospital in good condition, police said.

About 12:55 a.m. on Saturday, an 18-year-old man walked into Swedish Covenant Hospital with a gunshot wound to his leg, police said. The man said he was shot in the 4700 block of North Central Park Avenue in the Albany Park neighborhood on the Northwest Side.

A 21-year-old man was shot in the shoulder about 2:20 a.m., in the 1800 block of South Kildare in Lawndale, police said. He was taken in “stable” condition to Mount Sinai Hospital, police said.

A 26-year-old man was shot in the thigh about 4 a.m., in the 5900 block of West Superior Street in the West Side Austin neighborhood, police said, adding that the man was taken in good condition to Mount Sinai Hospital.

About 2:30 p.m., a man in his 40s was shot in the abdomen in the 3800 block of North Francisco Avenue in the Northwest Side Irving Park neighborhood, police said. The man was taken in unknown condition to Advocate Illinois Masonic Medical Center. O’Brien said police arrested a female suspect and recovered a weapon possibly used in the crime.

Two men in the Roseland neighborhood on the Far South Side were shot in the 200 block of West 105th Place on the Far South Side about 4:10 p.m., police said. A 23-year-old man was shot in the leg and a 19-year-old man was shot in the arm, police said, adding that both were taken in unknown condition to Advocate Christ Medical Center in Oak Lawn.

An 18-year-old man was shot in the neck about 7:02 p.m. in the 700 block of East 130th Place on the Far South Side, police said. He was taken in serious condition to Advocate Christ Medical Center in Oak Lawn, according to Fire Media Affairs spokesman Larry Langford.

About 7:25 p.m., a male of unknown age was shot in the 100 block of North La Crosse Avenue in the Austin neighborhood on the West Side, police said. He was taken in unknown condition to West Suburban Medical Center in Oak Park, police said.

Two men were shot in the North Side Rogers Park neighborhood about 9:25 p.m. in the 7400 block of North Sheridan Road, police said. A 31-year-old man was shot in the right foot, and a 25-year-old man was shot in the lower back, police said. Both were taken to St. Francis Hospital in Evanston in “stable” condition, police said.

At 9:49 p.m., a 44-year-old man was shot in the chest in the 8600 block of South Escanaba Avenue in the South Chicago neighborhood, police said. The man was taken in critical condition to Advocate Christ Medical Center in Oak Lawn, police said.

At 10:23 p.m., a 14-year-old boy was walking in an alley with friends in the 6500 block of South Union Avenue when he was shot in the left thigh, police said. The boy was taken to University of Chicago Comer Children’s Hospital where he was treated and expected to be released.

Five minutes later a 34-year-old man was shot in the leg in the 3400 block of West North Avenue, police said. His condition and the hospital he was taken to was not immediately known, police said.

At 10:43 p.m., a 24-year-old man was shot in the 2500 block of West 51st Street in the Back of the Yards neighborhood, police said. The man was taken to Mount Sinai Hospital in “stable” condition, police said.

At 12:15 a.m., two men were in a vehicle traveling through an alley in the 3800 block of South Sacramento Avenue when shots were fired from a mini van, police said. A 23-year-old man was shot in the hand and arm. A 32-year-old man was shot in the left arm. Both were taken in good condition to Mount Sinai Hospital.

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