By Dan Wing

By Dan Wing

PHILADELPHIA (CBS) — Philadelphia Police are investigating after a man’s body was found Wednesday morning.

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Police say the unidentified man, who was only wearing underwear, is believed to be in his 30s.

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His body was found shortly before 7 a.m. in the backyard of a home on Crispin Street in the city’s Holmesburg section. Authorities say the body showed signs of blunt force trauma.

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For now, investigators are trying to identify who the victim is, and piece together how he died.