The incident took place at Napa Park Homes Complex near the corner of Lincoln and and Soscol Avenues.
The Napa Police Department posted on social media just after 11 a.m., asking the public to avoid the 700 block of Lincoln Avenue for police activity.
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Video shows yellow crime scene tape around the perimeter and several police officers investigating.
No further information has been provided at this time.
Stay with ABC7 News for the latest details on this developing story.