NYPD WATCH: NYPD veteran discovers parents, others dead; Carbon monoxide suspected

#NYPDWATCH:

BELLEROSE, N.Y., April 11 (UPI) -- A veteran New York Police sergeant who went to check on his elderly parents at their home found the couple, their tenant and a friend dead from what is suspected to be carbon monoxide poisoning.

Police said they found a car left running in the garage in the lower level of the home, the suspected source of the carbon monoxide. Investigators said the deaths appeared accidental.

Jerry Hugel, 83, and his wife, Marie, 80, were pronounced dead at the scene. Tenant, Gloria Greco, 70, and friend Walter Von Thadden, 76, were also found dead.

NYPD Sgt. Robert Hugel went to his parent's home to check on them about 3 p.m. He found his father in the passenger's seat of the idling car and his mother in a nearby basement kitchen. Greco and Von Thadden were found in upstairs areas.

Carbon monoxide is an odorless and colorless gas that is created when some fuels burn and can be deadly if undetected.

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