IRVING -- An inmate was pronounced dead Sunday morning shortly after he had been booked into the City of Irving Municipal Jail following his arrest.

Gabriel Pedro Gonzales, 41, was arrested on Saturday for four outstanding misdemeanor warrants in Dallas and Grand Prairie.

He was found unresponsive in his jail cell on Sunday morning at approximately 8:13 a.m.

Resuscitation efforts were immediately initiated by the jail detention staff, and the Irving Fire Department was called to the jail.

Gonzales was transported to Baylor Scott & White Medical Center - Irving, but was pronounced deceased at about 9:13 a.m.

The Dallas County Medical Examiner's Office performed an autopsy and results are pending. There were no obvious signs of trauma to indicate the cause of death, and an investigation into his death is ongoing.