A South Carolina police officer was shot and killed early Sunday while responding to a domestic disturbance, authorities said.

Cayce Public Safety Officer Roy Andrew "Drew" Barr was shot after a suspect opened fire on three officers who responded to a domestic disturbance call around 2:48 a.m., the department said.

Cayce police officer killed South Carolina

Public Safety Officer Roy Andrew "Drew" Barr was shot and killed early Sunday, the Cayce Police Department confirmed. (Cayce Police Department)

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Officials confirmed Barr’s death shortly after 7 a.m.

Authorities were expected to provide more details later Sunday.

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Cayce is a city located just outside the state capital Columbia.