At least four people have been killed and 10 more injured at a Halloween party in Orinda, California, overnight, local media reports say.
According to police officials, an investigation is underway.
Orinda Police Department and Contra Costa County Office of the Sheriff are working a multiple shooting in Orinda. Investigation is active. Details coming later.— CoCo Sheriff PIO (@cocosopio) November 1, 2019
According to an NBC reporter, the incident happened at a rented Airbnb apartment.
A KTVU reporter quoted a neighbour who said that he heard gunfire coming from the house where one of the apartments had been rented through Airbnb for a party.