Police have issued a missing person appeal for a man from the Gilford area.
They have asked the public to be on the look out for Matthew Alderdice, who is 18 years old.
Matthew was last seen on Tuesday, September 13.
He is described as tall, of medium build with brown hair.
If anyone has information about Matthew’s whereabouts please contact police on 101.
A police spokesman said: “We would like to confirm he’s safe and well.”