The father of a 14-year-old boy who was among four people killed at a child's birthday party in California over the weekend described trying desperately to save his son's life in the chaotic aftermath of a mass shooting that left 11 others injured.

"It's something that a father should never have to go through," Patrick Peterson, whose son, Amari, was killed in the Saturday night shooting, told ABC affiliate station KXTV in Sacramento.

No arrests have been announced in the attack, which unfolded in a Stockton banquet hall. Investigators have yet to say if they have identified anyone responsible for the shooting.

San Joaquin County Sheriff Patrick Withrow said on Sunday that the shooting appeared to be a targeted attack against someone at the party and that there were likely multi

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