Story highlights Matthew Ajibade died in an isolation cell on New Year's Day, police say

Authorities announce policy changes for booking inmates as a result of two investigations

ATLANTA (CNN) Nine Georgia deputies have been fired in connection with the death of a 21-year-old student in Savannah, Georgia, authorities announced Friday.

The firings are related to the case of Matthew Ajibade, who died in an isolation cell on New Year's Day , said Gena Bilbo, the Chatham County Sheriff's spokeswoman.

Two of the nine deputies who were fired had been on paid leave.

Ajibade, who was from Nigeria, was arrested on January 1 after police received a phone call about a domestic disturbance.

Authorities arrived and saw Ajibade holding a women under a blanket, according to an incident report. Her "face was bruised, and her nose was bleeding," the report said.

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