European Union member Bulgaria is a major crossing point for Europeans heading to join ISIS jihadists.

Bulgarian authorities said Thursday that three Dutch people wanted on “terrorism” charges were arrested allegedly trying to cross the border into Turkey.

The two men, 18 and 22, and a woman, 17, are wanted on European Arrest Warrants issued by their home country for “participation in a terrorist organisation,” Bulgarian prosecutors said.

European Union member Bulgaria is a major crossing point for Europeans heading to join jihadists of the Islamic State organisation fighting in Syria and Iraq (ISIS).

The trio, who were not named, were arrested on Monday trying to cross Bulgaria’s main Kapitan Andreevo border checkpoint with Turkey.