PORTAGE, Ind. (CBS) — A swimmer’s body was pulled from the water Tuesday afternoon at the Indiana Dunes.

Witnesses reported seeing an 18-year-old man being struck by a wave just west of the beach area at Indiana Dunes State Park around 11 a.m.

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He did not resurface.

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The Portage Fire Department found his body about 90 minutes later.

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The Indiana Department of Natural Resources said the investigation into the incident was ongoing Tuesday evening. The victim’s identity was being withheld pending family notification.