LEVITTOWN, N.Y. (CBSNewYork/AP) — Police are investigating the death of an infant at a licensed Long Island day care center.

They say the 4-month-old Syosset boy apparently stopped breathing after being put down for a nap around 11 a.m. Thursday.

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Police say the owner of the Kay Shriver day care center in Levittown called 911 and began performing CPR.

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The infant was pronounced dead at Nassau County Medical Center.

There appear to be no indications of criminality, a Nassau County Police Department spokesman told Newsday.

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The medical examiner will determine the cause of death.