https://www.mercurynews.com/2022/07/05/officials-confirm-three-oakland-men-are-presumed-dead-in-delta/

SACRAMENTO — Officials have confirmed that three men who are presumed dead after trying to rescue a child caught in a river current at a popular Delta destination Sunday are from the East Bay.

A spokesperson with the California State Parks Department confirmed the men’s hometown of Oakland. The men were part of a group fishing at Three Mile Slough at Brannan Island State Recreation Area, across the Sacramento River from Rio Vista.