Quang was last seen in Doncaster town centre at 2pm but has not been heard from since. Police have revealed they have had no confirmed sightings of the 16-year-old, who does not speak English, either. Inspector Andy Coulter said: “Concerns are growing for Quang’s welfare. He is a model student and his disappearance is totally out of character. "He was last seen at 2pm on Thursday in Doncaster town centre but has not been heard from since. We have not received any confirmed sightings of Quang either.” Quang was last seen wearing a black jacket, a white and grey shirt, blue jeans and blue Adidas trainers. His family say they growing increasingly concerned for his wellbeing.