SONOMA, Calif. (AP) — A Northern California man has been arrested on suspicion of killing his wife in a deadly fight.

Sonoma County Sheriff’s Lt. Ruben Martinez said 72-year-old Steven Rothschild summoned police to come to his house in Boyes Hot Springs late Friday, saying he and his wife, Juanita Rotschild, had been in a fight and she died.

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Authorities said the woman was found unresponsive on the couple’s couch and appeared to be severely beaten.

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Deputies and emergency medical responders tried to revive her, but she was pronounced dead at the scene.

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Deputies did not find any obvious weapons in the house and are still investigating the cause and manner of Juanita Rothschild’s death.