DETROIT (WWJ) — Detroit police are investigating a shooting that occurred at a block party on Friday night.

Sergeant Cassandra Lewis told WWJ Newsradio 950 that four men were shot — ages 18, 19, 20 and 22 — at a block party on Stronghold Court. All victims were listed in temporary serious conditions after the shooter fired into a crowd of people.

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The incident comes one week after the deadly block party shooting on Dexter and Webb that killed one and left 11 others wounded.

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Suspects have not been identified.

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