Why it matters: Police have been conducting searches in the Ipswich area but have not been able to locate the teenager.
The details: Damaris is described as black, approximately 5ft 8in tall and of slim build. He was last seen wearing a black tracksuit and black Nike trainers with a light blue stripe on the side.
What to do if you can help: Anyone who believes they have seen Damaris, or who has any information regarding his whereabouts, is asked to contact the Ipswich Response Investigation Team, quoting reference RID: 511829.
You can report information via the Suffolk Constabulary website, by calling 101, or by using the Live Chat service on the force's website.
The bottom line: Police are urging anyone with information about Damaris's whereabouts to come forward as searches continue across Ipswich.
