CASTRO VALLEY (CBS SF) — Three people were arrested in an attack that put an Alameda County Sheriff’s Deputy in the hospital on Saturday night.

The deputy and his partner were trying to break up a fight involving two men and a “bloody” women in Castro Valley at about 11 p.m. when all three suspects turned on the deputies.

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One deputy was punched, breaking a bone in his face.

“The first deputy that was injured is still in the hospital. He’s is serious but stable condition,” Alameda County Sheriff’s Office spokesman Sgt. Ray Kelly said.

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“(He) was struck in the face and severely injured with multiple facial fractures that are ultimately going to require reconstructive surgery.

The other deputy was choked and put in a headlock, but was able to pull out his stun gun and get control of the suspects.

Suspects arrested were Willie Tinoifili, Keith Carter and Kelly Carter.

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Kelly said one of the suspects is a martial arts practitioner and that drugs and alcohol were involved.