YORKTOWN - There is still no official word on what killed the man found dead in a parked car near the New Croton Reservoir in Yorktown Friday morning.

A worker from the New York City Department of Environmental Protection found the body in an SUV parked on Old Croton Lake Road at around 11 a.m.

Police say the vehicle had Massachusetts license plates.

Investigators declined to comment on camera, but confirmed to News 12 that the cause of death is suspicious.

Police have not released the man's name, and say they do not expect to reveal further details until next week.