An alert was raised on Tuesday night
Gardaí in Dublin are investigating reports of an alleged false imprisonment involving a 19-year-old woman.
An alert was raised on Tuesday night, after the teenager was reported missing.
Gardaí later discovered the 19-year-old at a house in Tyrellstown.
A man was arrested, and later released without charge.
A file is on the way to the Director of Public Prosecution (DPP).