MILLVILLE — Cumberland County authorities are seeking the public's help after finding 21-year-old dead in a High Street Home.

Prosecutor Jennifer Webb-McRae said Sean Hill's death has been ruled a homicide after an autopsy, but didn't say in an announcement what the cause was death was believed to be.

Police found the Port Norris man's body during a check of the property at 11:30 a.m. Friday after an open door had been reported, Webb-McRae said. No arrest has been made.

Authorities are asking anyone with information to call Detective Dan Ayers at 609-381-3387, or to submit information anonymously via any one of the following methods:

• Downloading the CCPOTIP app at the Android or iPhone store and choosing the Millville Police Department.

• Submitting an anonymous tip via text to 847411 with MILLVILLEPD and a tip in the message line.

• Hitting "Submit a tip" on the Cumberland County Prosecutor's Office Facebook page.

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