A Dutch mother has abducted two of her four children and taken them to join militants fighting for the Islamic State terrorist organisation in Syria . The unnamed 32-year-old Chechen national had been living in Maastricht in the southern Netherlands before taking her young son and daughter to ISIS ' de facto capital Raqqa . The father of the missing children named the pair as Luca , seven , and his sister Aysha , eight , and said they had been taken without his consent . The woman 's two other children are believed to have been handed over to a relative before she left to join the terror group . Abducted : The father of the missing children named the pair as 'Luca ' , seven , ( left ) and his sister 'Aysha ' , eight , ( right ) and said they had been taken without his consent . The missing woman , who has not yet been named , fled the Netherlands with two of her children last October , the Dutch prosecution 's office confirmed this morning . Snatched : Eight-year-old Dutch girl 'Aysha ' was abducted by her mother and taken to join ISIS . It is the first known instance of children in the Netherlands being abducted and taken to join ISIS . According to the Dutch newspaper De Limburger , the children 's father had previously reported his estranged wife to the police because he was concerned she was planning to travel to Syria . Officers are said to have questioned the woman several times but she denied having intentions to join ISIS and investigators could find no evidence of concrete travel plans . Shortly afterwards the woman vanished from Maastricht with two of the children , prompting Dutch officials to launch a major alert , leading to an international arrest warrant being issued . Despite this the woman later took to Facebook to declare that she and her two children had arrived in the terrorists ' de facto capital Raqqa , having used fake passports to travel across Europe . After making the announcement of their arrival in Raqqa on Facebook last October , nothing has been heard from the trio since . Dutch officials said they had no way of telling whether the group were still alive , with prosecutor Bart den Hartigh declaring the recovery of the children 'impossible ' as the Netherlands has no legal relationship with either the Syrian regime or the terror group that controls the city of Raqqa . No place for children : The unnamed 32-year-old Chechen national had been living in Maastricht in the southern Netherlands before taking her young son and daughter to ISIS ' de facto capital Raqqa ( pictured ) The news comes as an 18-year-old man has been arrested at his home in Birmingham on suspicion of preparing to travel to Syria to join the Islamic State . West Midland Police have said the teenager , from the Hodge Hill area of Birmingham , was arrested at around 7am today by officers from the West Midlands Counter Terrorism Unit . It comes the day after it three British teenage jihadists were arrested in Turkey on suspicion of trying to join Islamic State fighters in Syria , in a dramatic security operation . A pair of 17-year-old schoolboys and a 19-year-old man were intercepted in Istanbul after their parents realised they had fled to join the terrorist group . They dialled 999 and British police quickly tipped off their Turkish counterparts . Officials swooped on the group within minutes of their flight touching down in Istanbul . The three were brought back to Britain where they were questioned on suspicion of preparing acts of terrorism .
Chechen national , last Autumn , took children from home in Maastricht , Netherlands . Later updated her Facebook page to say trio had arrived in city of Raqqa . Woman 's estranged husband had been concerned about her intentions and had reported her to the police 32 . But she managed to convince officers she had no plans to travel to Syria . Shortly after she fled the country with her children using fake passports .