Three teenage Afghan migrants have been jailed after gang-raping a student in a public toilet in the Austrian capital Vienna.

The group had all arrived in Europe via the Balkans unaccompanied and they were arrested after the attack last year.

Vienna Regional Court heard how the 21-year-old female student, originally from Turkey, had been targeted at Vienna's Paterstern station last April.

Three teenage Afghan migrants have been jailed after gang-raping a student in a public toilet at Paterstern train station, pictured, in the Austrian capital Vienna

She had been out with a friend but stopped off at the station as she needed to use the toilet.

However, she was followed into a cubicle by the three teenagers at the station.

The youngest boy held to the ground, while the other two raped her.

She also had her head smashed against the toilet bowl and was choked by the group.

According to thelocal, state prosecutor Katharina Stauber told the court that the crime had been premeditated and that the trio had lay in wait for their victim.

The court in Vienna was told how the group had all arrived in Europe via the Balkans unaccompanied. Pictured are migrants in the Balkans trying to make their way to Europe

She added that the victims has now returned to her home country of Turkey but is still suffering psychological trauma due to the incident.

Passing sentence, the judge ordered the two 18-year-olds to serve six years in prison and the 16-year-old five years in jail.

The teenagers reportedly remained expressionless during the sentencing with two of the younger boys apologising to their victim.