Update August 12, 9.05am: Dylan O'Brien has been found safe and well.
Earlier: Gardaí are seeking the public's help in finding a teenage boy missing from Co. Tipperary.
17-year-old Dylan O'Brien was last seen at Thurles train station at around 3.30pm last Sunday.
Dylan is described as being 5-foot 9-inches in height, of stocky build, with short black hair and brown eyes.
When last seen Dylan was wearing a white t-shirt, navy tracksuit bottoms and a blue cap.
It's believed he may have travelled to the Dublin area.