A Cook County sheriff’s deputy was fatally shot in Turks and Caicos Saturday while celebrating her sister’s 40th birthday at a popular restaurant, according to island authorities. Shamone A. Duncan, 50,

CBS News Chicago reports authorities say the female deputy, 50-year-old Shamone Duncan, a 20-year veteran of the Cook County Department of Corrections, was killed in the shooting, along with a 30-year-old Turks and Caicos resident.

Shamone Duncan, a 20-year veteran of the county’s Department of Corrections, and a man who lived in Turks and Caicos were killed by stray gunfire at a bar at 10 p.m. Saturday, the Royal Turks and Caicos Islands Police Force said.