A Durham police sergeant was arrested Friday afternoon and charged with kidnapping and sexual assault after an internal investigation, according to a statement from the Durham Police Department.

Sgt. Lester Rhodes, 42, joined the Durham police in 1996 and most recently served as a patrol officer, the statement said. The charges are related to an incident that allegedly occurred Sunday, April 3, while Rhodes was on duty. He was taken to the office of the magistrate Friday afternoon to be charged.

“This is an ongoing investigation and we are not releasing further details at this time to avoid compromising the investigation,” said Police Chief Jose Lopez.

The professional standards and investigations divisions of the police department probed the allegations. Rhodes has been placed on administrative leave with pay, the Durham police statement said.