At least four young people died and four others were injured by a "multiple shooting" during a Halloween party in Northern California.
The incident occurred Thursday night in the city of Orinda, located about 30 kilometers east of San Francisco.
Contra Costa County Police confirmed through Twitter the number of fatalities.RELATED
A video broadcast by KGO-TV showed several people being transported in ambulances before midnight while others drifted away from the place.
According to local media reports, organizers had rented a house for a private Halloween party.
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