Police say 38-year-old Nathan Campbell has been booked for investigation of murder and remains jailed Sunday on $1 million bail.
He turned himself about two hours after the attack that occurred at around 6 p.m. Saturday. Investigators don't yet have a motive.
Witnesses reported a horrendous scene of people scattered and bloody in the popular tourist area.
A coroner's investigator tells City News Service that the dead woman is 32-year-old Alice Gruppioni of Italy.
Police say another victim was critically hurt, two were in serious condition and others were treated for less serious injuries.
Get the latest developments from KABC-TV, KTRK-TV's sister station in Los Angeles.
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