Update: Mario Pompa has been located safe and well.
Gardaí thanked the public for their assistance.
Gardaí are seeking the public's assistance in locating a missing teenage boy.
Mario Pompa, 16, was last seen in Drumlish, Co Longford on Friday, September 18.
Mario is described as being 5'9", of medium build with short black hair.
It is thought that he could be in Kerry or Tipperary.
Anyone with any information is asked to contact Longford Garda Station on 043 335 0570, the Garda Confidential Line on 1800 666 111 or any garda station.