By Peter D'Oench

MIAMI (CBSMiami) – An investigation is underway Tuesday morning after a body was found in a lake at Florida International University’s Biscayne Bay campus.

The lake is located at NE 151st Street at 30th Avenue.

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A passerby spotted the body floating in a lake and contacted an FIU police officer who pulled the body out of the water and contacted Miami-Dade police.

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In an email to students, a school official said there was no known threat to FIU or MAST students on the campus.

Miami-Dade police say the man was not affiliated with, nor a student of FIU.

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Friends of a man in his 20s who has been missing since Sunday told CBS4 they went to the lake looking for more information from the police. The university said there was a soccer game on campus on Sunday that did not involve an FIU team.

Peter D'Oench