“Everyone has a role to play” in countering the radicalisation of young people, said British Prime Minister David Cameron as the search continues for three missing schoolgirls, believed to be heading for Syria. <br /><br /> Amira Abase, Kadiza Sultana and Shamima Begum left for Istanbul on February 17, believed to have been enticed online by extremists.<br /><br /> On February 15, a Twitter account in Shamima’s name was used to contact 20-year-old Aqsa Mahmood. The Scottish national joined ISIL and married one of its militants and now actively encourages other girls to join her in Syria.<br /><br /> The UK is coordinating closely with Turkish officials. But on Monday (February 23), Turkey’s deputy prime minister said Britain would be responsible if the girls are not found.<br /><br /> Questions have been raised about how the girls managed to leave for Istanbul – a well-worn route to Syria. Shamima is believed to have travelled on her older sister’s passport, leading for MPs to call for tighter border controls.<br /><br /> Speaking fro
