"Five persons involved, 4 in helicopter and one bystander on the ground. Confirmed 3 fatalities," Newport Beach Police tweeted. "Nobody was inside the home where the chopper went down."
The four-seat Robinson 44 helicopter, which was owned by Revolution Aviation, crashed on Shearwater Place near Bristol Street and Bayview Place, Xinhua reported.
A witness who spoke to CBS Los Angeles said he saw the chopper "drop like a rock."
According to the company's website, Revolution Aviation has been operating since the 1960s, offering pilot training and sightseeing trips. It also boasts a 100-per cent safety record.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
