Thi Hong Nguyen, who travelled to Ireland last summer to study English, was last seen on Glenamuck Road, Carrickmines, Dublin 18 on July 18th, 2016 at around 4.30pm.

Ms Nguyen is described as being 5ft 1’ in height with a slight build and long black hair.

Thi Hong arrived in the country in early July 2016 from Vietnam.

Gardaí say they have carried out “extensive enquiries” and are trying to make contact with the student.