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A man who was shot and killed Saturday night in San Francisco’s Potrero Hill neighborhood has been identified by the medical examiner’s office as Aldo Hernandez.

Hernandez, a 25-year-old San Francisco resident, was shot at about 7:40 p.m. Saturday on Dakota Street near 23rd Street, police Sgt. Mike Andraychak said.

Officers arrived and found Hernandez sitting in the driver’s seat of a parked car. He was pronounced dead at the scene, Andraychak said.

No arrests have been made in the case, police said.

The homicide was San Francisco’s second on Saturday. Earlier in the day, 24-year-old Aldo Troncoso was fatally shot in the city’s Mission District.

Troncoso was shot at about 2:25 a.m. near the intersection of 17th and Mission streets. He was taken to a hospital where he died at about 4 a.m., Andraychak said.

A black SUV-type vehicle was seen leaving the scene, but no arrests have been made and no other suspect information was immediately available, police said.

A third shooting on Sunday night in the Mission left a 27-year-old man seriously injured.

That victim was sitting in a car in the 1500 block of Alabama Street, near Cesar Chavez, at about 10:20 p.m. when suspects approached and shot him multiple times then drove away, Andraychak said.

He was rushed to a hospital with injuries that may be life-threatening, police said.

Investigators believe the shooting could be gang-related and are asking witnesses to come forward.

Anyone with information any of the shootings is encouraged to call the Police Department’s anonymous tip line at (415) 575-4444 or send a tip by text message to TIP411.

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