FULLERTON (CBS) — Fullerton’s Police Chief Michael Sellers, who went on extended medical leave last August, is retiring.

The announcement was made Friday.

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Sellers was the focus of controversy after the death of homeless man, Kelly Thomas.

Thomas died in July following a confrontation with Fullerton police officers.

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Two officers have since been arrested.

Police Capt. Dan Hughes will be acting chief until a new chief is hired.

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Sellers’ retirement will be effective February 18.