By CBS3 Staff

WEST BERLIN, N.J. (CBS) – A 9-year-old boy has died following a class trip to the Sahara Sam’s Oasis Outdoor and Indoor Water Park in West Berlin, police say. Crews were called to the park around 7:34 p.m. Tuesday for a report of a cardiac arrest.

Police say 9-year-old Hersh Meilech Grossman was pulled out of the pool unconscious. When officers arrived, lifeguards were performing CPR.

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He was taken to Virtua Hospital in Voorhees where he was pronounced dead at 8:34 p.m.

The faith-based community page, The Yeshiva World, says Grossman drowned. Police have not released a cause of death.

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Sahara Sam’s sent Eyewitness News a statement regarding the statement, reading:

“We are deeply saddened by the incident, which occurred during a private event, and our prayers are with the family and friends at this difficult time. We are completing a thorough review of the incident and are working with authorities.”

Police say the boy was on a class trip with the Belzer Talmud Torah, based out of the Boro Park Community in Brooklyn, New York.

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There were several other groups and about 750 to 800 children and staff at the private event at the time of the incident.