OAKLAND — One man was killed and three others wounded in shootings Saturday and early Sunday in different areas of Oakland, police said.

A 23-year-old man was fatally shot about 1:11 a.m. Sunday in West Oakland’s 800 block of Poplar Way. The name of the victim, who lives in another part of Oakland, is being withheld pending notification of relatives.

Sgt. Brad Baker said the man got into a confrontation with someone, was shot and died at the scene. Police don’t have a motive yet, and no arrests have been made.

About 2 a.m. Saturday a 22-year-old man was shot in the 1200 block of East 17th Street in East Oakland. The man said he had just gotten out of his car when he heard gunshots and realized he had been shot in the hip. He was able to drive to a hospital, where he was in stable condition. No motive has been determined yet and no arrests made in the shooting.

Two men were shot about 11 p.m. Saturday in East Oakland, one during a carjacking. In one of the shootings, police said a 64-year-old man was shot and had his BMW stolen in the 1800 block of East 12th Street.

Police said two men forced the man to stop his car, then ordered him out onto the sidewalk where he was shot by one of the suspects before they fled in the vehicle. The victim was taken to a hospital, where he was in stable condition. There were no detailed descriptions of the suspects.

At about the same time a 36-year-old man was shot in the 7200 block of Bancroft Avenue. The man told police he was going to a fast-food restaurant when he heard some gunshots and saw that he had been shot in the arm. He got a ride to a hospital, where he was in stable condition. Police don’t have a motive for the shooting and don’t know if the man was the intended target. No arrests have been made.

Sunday’s killing was the 52nd homicide investigated by Oakland police this year. Last year at this time police had investigated 70 homicides. Police and Crime Stoppers of Oakland are offering up to $10,000 in reward money in the homicide and up to $5,000 in the other shootings for information leading to the arrest of suspects.

Anyone with information may call police at 510-238-3821, 510-238-3326 or 510-238-3426 or Crime Stoppers at 510-777-8572.