St. Bernard officials and the FBI are investigating the disappearance of a 5-week-old Slidell boy and his babysitter, according to a St. Bernard Sheriff's Office press release.

Tristan Douglas, the 5-week-old baby, was last seen Friday in St. Bernard Parish with Sarah Harris, 48, the child's babysitter.

The boy's mother dropped him off at Harris' residence on Guerra Drive in Violet, Sheriff James Pohlmann said.

There has been no information on the whereabouts of either the boy or the babysitter.

Anyone with information should call the Sheriff's Office at (504).271.2501 or the FBI at (504).816.3000.