(CNN) Authorities are investigating after an ICE detainee facing possible deportation apparently killed himself.

Efrain De La Rosa, 40, was found unresponsive in a cell at the Stewart Detention Center in Lumpkin, Georgia, on Tuesday night and was later pronounced dead at a hospital, Immigration and Customs Enforcement said

The apparent cause of death was self-inflicted strangulation, the agency said Thursday, adding that the case is under investigation.

De La Rosa, a Mexican national, was in removal proceedings at the time of his death, ICE said.

The Georgia Bureau of Investigation is investigating the death at the request of the local sheriff. There is no indication of foul play, GBI Special Agent in Charge Danny Jackson said.

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