By Dan Wing

By Dan Wing

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

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

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.

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