By CBS13 Staff

MODESTO (CBS13) — A large fight involving a group of inmates broke out at a facility within the Stanislaus County Public Safety Center jail, the sheriff’s office says.

The incident broke out a little after noon Sunday at the Re-Entry and Enhanced Alternatives to Custody Training (REACT) facility.

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About 20 inmates were involved in the fight, the sheriff’s office says.

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Staff were able to get into the unit and break up the fight before anyone was seriously injured. The sheriff’s office says all inmates involved were offered medical care.

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Exactly what started the fight is under investigation, but the suspected key instigators have been identified and are now in more restrictive housing.