A homicide investigation is underway in Orinda on Thursday after residents reported gunshots.
Residents in the area reported hearing a gunshot, and witnesses said they saw a person lying on the ground suffering from an apparent gunshot wound. The incident shut down a portion of Las Vegas Road in Orinda.
"I’m just really surprised. This is not a neighborhood where we’ve experienced anything like that. The most we have experienced is leaf blowers and homeowners’ insurance cancellations; that’s about it," said Aaron Miller, who lives nearby.
The Contra Costa County Sheriff's Office confirmed a homicide investigation was underway.
NBC Bay Area's Skyranger shows video footage of a Toyota and Tesla vehicle that appears to be part of the investigation. Both vehicles have since been towed from the scene.
The Tesla was registered to a couple who live near the crime scene, CCSO said.
"What would it take for someone to, you know, take another person’s life? It's weird," said Shawn James, a neighbor. "Kind of shock and confusion, and there’s the reality that no one is exempt."
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Upon arrival, officers provided "live-saving measures" to the victim but were unsuccessful. The victim was pronounced dead at the scene and has yet to be identified.
According to police, both parties are residents of Orinda, and there is no "further risk to the public." A suspect was detained, and a gun was confiscated, law enforcement said.
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According to police dispatch audio obtained by NBC Bay Area, a person was "defending himself," and the other party was "bleeding profusely."
"… Male is on the ground. RP is advising the subject pulled (inaudible), got out, started punching him, and then the RP shot him," the dispatch audio read.
Further information wasn't immediately available.
This is a developing story. Details may change as more information becomes available. Stay tuned for updates.