Detectives searching for a missing Vietnamese teenager have issued a fresh plea for information three weeks on from his disappearance.

Trung Quang Tran, 19, was last seen at around 2.50pm on Wednesday, May 11, walking along St Mirren Brae in Paisley, Renfrewshire.

He then turned right on to Gauze Street and headed in the direction of Smithhills Street but has not been seen since.

The teenager is 5ft 10in, of slim build and has brown eyes, short black hair and was clean shaven. He was last seen wearing a black padded leather jacket, blue jeans and black trainers with white soles.

Officers launched a search for Mr Tran last month and have appealed once again to the public for help in tracing him.

Sergeant Stuart MacLean from Paisley Police Office said: "We are continuing our search for Mr Tran and appealing to the public for assistance in tracing him.

"Although he is a foreign national, Mr Tran has been recently living in the Paisley area, and is also believed to have spent time down in Wales previously.

"Anyone with information on Mr Tran's whereabouts is asked to contact the sergeant's room at Paisley Police Office on 101."