One person was killed and at least three others wounded in three unrelated shootings in Antioch late Friday and early Saturday, police said.

Officers were downtown when they heard gunshots and observed a crowd of people running near a bar and restaurant on I Street at around 2:11 a.m. Saturday. One man shot multiple times was killed, and at least two others, including a woman found shot on West First Street, were wounded, police said. A total of 60 shell casings were found in the area.

While officers were at the homicide scene, another shooting happened around 2:51 a.m. in the 2100 block of Lemontree Way. About an hour later, a victim arrived at Sutter Delta Medical Center with multiple gunshot wounds.

No arrests were announced for either shooting.

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Earlier in the night, at around 11:36 p.m., a domestic violence dispute ended in a shooting near Putnam and D Street, and one man was arrested. The victim said he got into an argument with his boyfriend and was shot at, but not wounded. A gun believed to be used in the shooting was found in the suspect’s car.