Yarmouth Police are investigating a fatal heroin overdose that occurred early Friday morning.
Yarmouth Police Officers and Firefighters responded to a home in Yarmouth at 1:00 a.m. and found an adult unconscious; people in the home were performing CPR.
Police officers and firefighters took over and used advanced life support techniques including the use of Narcan.
The victim was taken to Cape Cod Hospital, but was eventually pronounced dead.
This is the 10th known overdose death in Yarmouth believed to be due to the use of illegal drugs so far this year.