UPDATED 09/28/12 10:52 a.m.

CHICAGO (CBS) — A body was pulled from the water Friday morning near Navy Pier.

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The Chicago Police Marine Unit received a call around 7:20 a.m. of a body floating in the lake just north of Navy Pier.

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The body was discovered by a boat cleaning service, police said.

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Police say the body was that of a man in his 30s. Details of how he ended up dead in the water were not immediately available.