article_snippet: British citizens who travel to Iraq and Syria to fight against ISIS could face prosecution if British citizens who travel to Iraq and Syria to fight against ISIS return.
article_snippet: Hammond said that parents and schools have a responsibility to help prevent young people from travelling abroad to take part in the conflict in Syria and Iraq.
article_snippet: Asked what the authorities' response would be to Britons who take up arms against IS, the Foreign Secretary said: 'The simple, legal answer is that anyone conducting irregular fighting activity overseas is subject to British legislative sanction. '
article_snippet: That is unlawful activity and can be dealt with on their return to the UK.'
article_snippet: The parents of three London schoolgirls believed to have entered Syria with the aim of joining IS - Shamima Begum, 15, Kadiza Sultana, 16, and 15-year-old Amira Abase - are later due to appear before the House of Commons Home Affairs Committee, alongside the ambassador of Turkey.