By Molly Daly

PHILADELPHIA (CBS) — Philadelphia police are investigating after construction workers made a gruesome discovery this morning in the Greys Ferry neighborhood of the city.

Police say they were called to the 1200 block of Harmony Street just before 8am after partial skeletal remains were found in a house that was being renovated.

The age and race of the deceased were not immediately known.

The remains were taken to the medical examiner’s office for analysis.