SEDGWICK COUNTY — Law enforcement authorities are investigating a suspect on child sex charges.

The Wichita Police Department (WPD) Exploited and Missing Child Unit (EMCU) investigated a sexual assault case reported to have occurred at the downtown YMCA, 402 North Market on Jan. 29, according to officer Charley Davidson.

Later that day, officers responded to a residence regarding a possible sexual assault involving a four-year-old girl victim after she had been at the downtown YMCA.

A 21-year-old man identified as Caleb Gaston, according to the Sedgwick County booking report has been arrested as a result of the investigation.

Gaston was booked into jail  for one count of rape. The case has been presented to the Sedgwick County District Attorney’s Office.