A 53-year-old man was found dead in his cell at the Renton City Jail at City Hall at about 4:40 p.m. Tuesday.
According to Renton police, the man had been arrested the previous Friday for outstanding traffic warrants and went before a judge on Monday and Tuesday.
The preliminary investigation indicated that the death was a suicide, according to Renton Police Commander David Leibman.
According to the jail staff, there were no indications of depression or suicidal tendencies, Leibman reported.
Efforts were being made to notify his family. The King County Medical Examiner had not yet released his name or cause of death by the Renton Reporter deadline on Thursday.
The Renton Police Department will conduct an investigation.