OAKLAND — Four men in a dice game for money in East Oakland Wednesday night were wounded in a drive-by shooting, authorities said Thursday.

The men, ranging in age from early 20s to late 40s, were all hit in the lower parts of their bodies and are expected to recover, authorities said.

The shooting happened about 10:05 p.m. outside in the 7600 block of MacArthur Boulevard.

The men were part of a larger group in a dice game for money when a vehicle drove up and an occupant started shooting, authorities said.

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They were taken to a hospital. The vehicle fled and no arrests have been made.

Police don’t know yet if the men were the intended targets or what the motive for the shooting was.

Police and Crime Stoppers of Oakland are offering up to $20,000 in reward money for information leading to the arrest of the shooter. Anyone with information may call police at 510-238-3426 or Crime Stoppers at 510-777-8572.