A helicopter crash in California leaves three passengers and two bystanders injured. The cause of the crash is unknown. #fox #media #breakingnews #us #usa #new #news #breaking #foxnews #california #helicopter #crash #accident #injury #emergency #rescue #investigation #police #fire #firstresponders #transportation #aviation #safety #disaster #localnews #community #newsupdate #usaair #flight Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch