PHILADELPHIA (CBS) - A 37-year-old man was found dead inside a car Monday night in the Feltonville section of Philadelphia, according to authorities.

The unidentified victim was found sitting in the driver’s seat of a red Mercury, parked in the driveway of an apartment complex in the 4500 block of North Lawrence Street. The car was reportedly still running when officers found him.

No weapon was recovered. Homicide detectives are investigating.