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CENTRAL ISLIP, N.Y. – A quadruple homicide investigation is underway after four bodies were discovered inside a Long Island park early Thursday, according to police.

Investigators walk around a Central Islip park where four bodies were found on April 13, 2017. (PIX11)

Overnight PIX11 learned someone found the bodies of four males at the Central Islip Recreational Center Park off Clayton Street.

Investigators with the Suffolk County police confirmed they were all found with “significant trauma” to their bodies.

Police have not revealed the victims’ identities, ages, or other circumstances surrounding the grisly scene.

People with missing family members arrive at a Central Islip park where four unidentified male bodies were found on April 13, 2017. (PIX11)

By daybreak, a family arrived at the park, telling PIX11 a 16-year-old member went missing on Tuesday and they fear he is among the dead.

The family says a missing person’s report was never filed because police told them to wait 24 hours before filing.