OAKLAND — Eight people, including four men attacked near an East Oakland park, were wounded in Oakland shootings between early Saturday and early Sunday, authorities said.

The most recent shooting happened about 5:20 a.m. Sunday in the 1200 block of 84th Avenue in East Oakland.

A 20-year-old man told police he was sleeping in his car when he heard gunshots and saw that he had been grazed on the head by a bullet. He was taken to a hospital in stable condition.

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Police don’t have a motive yet for the shooting and have not made any arrests.

At 11:23 p.m. Saturday four men were shot in the area of 79th Avenue and Arthur Street outside Arroyo Viejo Park in East Oakland.

The men, ages 22, 23, 28 and 29, were wounded in the lower parts of their bodies and were taken to a hospital in stable condition.

The shooter may have been in a vehicle. Police don’t have a motive yet and have not made any arrests.

About 7 p.m. Saturday a 17-year-old boy and a 20-year-old man were wounded by gunfire at a bus stop in the 10000 block of International Boulevard near the San Leandro border.

The teen was shot in the leg and the man grazed on the arm, apparently by someone shooting from a passing car. Both are expected to recover.

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Police don’t have a motive yet for the shooting and have made no arrests.

About 1:20 a.m. Saturday a 24-year-old man was shot while driving in the 800 block of West Grand Avenue in West Oakland. The man told police he heard gunfire and saw he had been shot in the leg. He was able to drive himself to a hospital.

Police don’t have a motive yet and don’t know if the man was the intended target. No arrests have been made.

Police at this time don’t believe any of the four incidents are related.

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Police and Crime Stoppers of Oakland are offering up to $5,000 in reward money for information leading to the arrest of the suspects in each of the shootings. Anyone with information may call police at 510-238-3426 or Crime Stoppers at 510-777-8572.

Check back for updates.