One person is Arvin Robertsdead, and another injured after being rescued by a nearby Good Samaritan during a drowning incident on Sunday in California.

Fresno County Sherriff’s Office deputies and EMS personnel were dispatched to the Skaggs Bridge Park near Kerman, California around 4 p.m. on Sunday. There, they found one man who had been rescued from the San Joaquin River. The man was rushed to a nearby hospital and was listed in critical condition, authorities said in a news release Sunday night.

Deputies said in a statement early Monday morning that a fellow swimmer had noticed the injured man struggling in the water and had taken it upon himself to bring the man to shore.

First responders were also told that a second person was missing in the river. Sherriff’s Department dive team members recovered the body of the second man from the bottom of the river around 7 p.m. Sunday evening.

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Deputies said in a statement that neither man knew how to swim or had been wearing a life jacket while in the water.

Max Hauptman is a Trending Reporter for USA TODAY. He can be reached at [email protected]